Answer:
Cost of each individual book = $10.5
Step-by-step explanation:
Given:
Cost of 3 book set = $24.81
Amount save = $6.69
Find:
Cost of each individual book
Computation:
Assume:
Cost of each individual book = a
Total cost = 3a
So,
Total cost = $24.81 + $6.69
Total cost = $31.5
So,
3a = $31.5
a = $10.5
Cost of each individual book = $10.5
Answer:
It represents the total amount that Erin is going to spend at the store.
Step-by-step explanation:
We know that y=7x, so we just need tu put it into the 1st equation
So we found x. Now we can find y
Answer:
x=1, y=7; or (1;7)
Answer:
5=5
Step-by-step explanation:
Answer:
That would be 84.
Step-by-step explanation:
Here it is