sjeikdom0
2021-02-09
Answered

Two dump trucks have capacities of 10 tons and 12 tons. They make a total of 20 round trips to haul 226 tons of topsoil for a landscaping project. How many round trips does each truck make?

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Answered 2021-02-10
Author has **91** answers

Let x= truck

Actually, x is the number of round trips made by the 10 ton truck and y is the number of round trips made by the 12 ton truck.

x + y = 20

We know from the problem that if you add together the number of round trips made by each truck, you get the 20 trip total.

x= 20-y

This is just math to isolate x. So, now we can substitute "20-y" for x in the equation and it will be easier to solve.

10 (20-y) + 12y = 226

This equation reflects how much topsoil each truck carried. Truck x (which is 20-y now) carried 10 tons on each of its round trips, and truck y carried 12 tons per trip. [Note that even though its

Actually, x is the number of round trips made by the 10 ton truck and y is the number of round trips made by the 12 ton truck.

x + y = 20

We know from the problem that if you add together the number of round trips made by each truck, you get the 20 trip total.

x= 20-y

This is just math to isolate x. So, now we can substitute "20-y" for x in the equation and it will be easier to solve.

10 (20-y) + 12y = 226

This equation reflects how much topsoil each truck carried. Truck x (which is 20-y now) carried 10 tons on each of its round trips, and truck y carried 12 tons per trip. [Note that even though its

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