Solve 7x+4y=8 for y. help please
1 answer:
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Answer:
<h2>88 cars</h2><h2>132 trucks</h2>Step-by-step explanation:
This is a ratio problem, the ratio of cars to trucks
for every 4 cars, there are 6 trucks
represented as a ratio we have 4:6
1. how many of them are cars
applying the part to whole strategy we have
4+6 = 10
let cars be x
2. how many of them are trucks?
let trucks be y