Recall that 1 mi ~ 1,61 miles and 1 hour = 60 minutes:
40(km/h)*(1 mile/1.61 km)*(1h/60min)~0.414 mi/min

Question

asked 2020-12-05

Trisha ran 10 km in 2.5 h. Jason ran 7.5 km in 2 h. Olga ran 9.5 km in 2.25 h. Who had the fastest average speed?

asked 2021-01-31

Adventure Tours has 6 leisure-tour trolleys that travel 15 mph slower than their 3 express tour buses. The bus travels 132 mi in the time it takes the trolley to travel 99 mi. Find the speed of each mode of transportation.

asked 2021-03-18

6% of 1,000 ___

asked 2020-11-27

Chloe got a 10% raise. She now earns $22 an hour. How much did she earn per hour before the raise?

Answer:___

A bicycle regularly priced at $396 is on sale for 25% off. What is the sale price?

Answer:___

Answer:___

A bicycle regularly priced at $396 is on sale for 25% off. What is the sale price?

Answer:___

asked 2020-11-08

What number is 150% of 40?

asked 2020-11-23

Penelope Schoenburgs overtime is figured on a 40 hour week. last week she worked 45.6 hours this week she worked 9.7 hours on monday 8.3 hours on tuesday 8 hours on wednesday 9.1 hours on thursday and 8.6 hours on friday how many overtime hours did she work in two weeks

asked 2021-01-23

What is the exchange rate between dollars and Swiss francs if one dollar is convertible into 1/20 ounce of gold and one Swiss franc is convertible into 1/40 ounce of gold?

asked 2020-11-23

If Erin earns $48,300.00 per year, estimate how much she earns per hour. Assume that she works 40 hours per week and 50 weeks per year.

asked 2021-01-27

A small drugstore orders copies of a certain magazine for it magazine rack each week. Let X=demand for the magazine, with pmf

\(\displaystyle{b}{e}{g}\in{\left\lbrace{a}{r}{r}{a}{y}\right\rbrace}{\left\lbrace{\left|{l}\right|}{l}{\mid}\right\rbrace}{h}{l}\in{e}{x}&{1}&{2}&{3}&{4}&{5}&{6}\backslash{h}{l}\in{e}{p}{\left({x}\right)}&{\frac{{{1}}}{{{15}}}}&{\frac{{{2}}}{{{15}}}}&{\frac{{{3}}}{{{15}}}}&{\frac{{{4}}}{{{15}}}}&{\frac{{{5}}}{{{15}}}}&{\frac{{{6}}}{{{15}}}}\backslash{h}{l}\in{e}{e}{n}{d}{\left\lbrace{a}{r}{r}{a}{y}\right\rbrace}\)

Suppose the store owner actually pays $1.00 for each copy of the magazine and the price to customers is $2.00. If magazines left at the end of the week have no salvage value, is it better to order three or four copies of the magazine?

\(\displaystyle{b}{e}{g}\in{\left\lbrace{a}{r}{r}{a}{y}\right\rbrace}{\left\lbrace{\left|{l}\right|}{l}{\mid}\right\rbrace}{h}{l}\in{e}{x}&{1}&{2}&{3}&{4}&{5}&{6}\backslash{h}{l}\in{e}{p}{\left({x}\right)}&{\frac{{{1}}}{{{15}}}}&{\frac{{{2}}}{{{15}}}}&{\frac{{{3}}}{{{15}}}}&{\frac{{{4}}}{{{15}}}}&{\frac{{{5}}}{{{15}}}}&{\frac{{{6}}}{{{15}}}}\backslash{h}{l}\in{e}{e}{n}{d}{\left\lbrace{a}{r}{r}{a}{y}\right\rbrace}\)

Suppose the store owner actually pays $1.00 for each copy of the magazine and the price to customers is $2.00. If magazines left at the end of the week have no salvage value, is it better to order three or four copies of the magazine?

asked 2021-02-21

Kaitlin knows that if she needs to add antifreeze to her car’s radiator the mixture used must contain 50% antifreeze and 50% water. How many gallons of a mixture containing 80% antifreeze must be added to a 3-gallon mixture containing 40% antifreeze to obtain the mixture Kaitlin needs?