The function t(x) = 3x + 5 determines how many cans of corn kernels a food truck needs to stock, where x is the number of shifts
2 answers:
Answer: 31
Step-by-step explanation:
Given: The function t(x) = 3x + 5 determines how many cans of corn kernels a food truck needs to stock, where x is the number of shifts the crew is going to work in the truck.
At x=3
The crew uses c(t(x)) to find the amount of money to spend on corn. The function c(x) = 2x + 3
When the crew is going to work 3 shifts,the amount of money must be spent
=
The amount of money must be spent when the crew is going to work 3 shifts=31
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A chemical company makes two brands of antifreeze.
The first brand is 70% pure antifreeze.
The second brand is 95% pure antifreeze.
We need to make 130 gallons of a mixture that contains 85% pure antifreeze.
Let we will use (x) gallons from the first brand
So, we will use (130 - x) from the second brand.
The mixture must contain 85% pure antifreeze.
So, we can write the following equation:
Solve the equation to find (x):
So, the answer will be:
First brand: 52 gallons
Second brand: 78 gallons