Answer:
n = m-a
Step-by-step explanation:
The formula is : ...(1)
a is actual cost of an item
m is original price
n is amount of coupon
We need to solve the formula for the amount of coupen.
Subtracting m to the both sides of equation (1).
a-m = m-n-m
-n=a-m
or
n = m-a
So, the formula for the amount of coupon is n = m-a.
Answer:
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Step-by-step explanation:
1st number is x
then the other will be 3x
3x+x=24
4x=24
x=6-first number
2nd is 3*6=18
30 .....................................
Answer:
it is probably a right triangle
Step-by-step explanation:
right angle because 11 is 7 beside and 5 under
