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Kay [80]
4 years ago
6

The formula a = m − n represents the actual cost, a, of an item with original price m after a coupon for n dollars off is applie

d. Solve the formula for the amount of the coupon. Group of answer choices n=m−a n = −m − a n=a+m n = a − m
Mathematics
1 answer:
a_sh-v [17]4 years ago
8 0

Answer:

n = m − a

Step-by-step explanation:

Given:

a = m - n

Where,

a = Actual cost an item

m = Original price

n = amount of coupon

Solve the formula for the amount of the coupon

a = m - n

Add n to both sides

a + n = m - n + n

a + n = m

Subtract a from both sides

a + n - a = m - a

n = m - a

Amount of coupon, n = Original price of an item, m - Actual cost of an item, a

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