C. 20/4 because a fraction isn’t a whole number.
Answer:
Step-by-step explanation:
Subtract 7 from both sides.
Simplify.
Divide both sides by 5.
Simplify.
Decimal form:
0.2
Answer:
(a+b)/c
Step-by-step explanation:
a/c+b/c
since they have the same denominator you can add the numerator together
(a+b)/c
Answer:
amt. the shop spends on 40 pairs
= $11 × 40
= $440
amt. paid extra (due to fixed cost) per pair
= ($450 - $440) ÷ 40
= $0.25
amt. per pair to break even
= $11 + $0.25
= $11.25