rivermadds3117
04.09.2020 •
Mathematics
Math
Deon paid $15.60 for 19.5 centimeters of wire.
Find the unit price in dollars per centimeter.
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Ответ:
unit price = $0.80 per cm
Step-by-step explanation:
to find the unit price per cm is to find how much 1 cm of wire costs:
given that :
19.5 cm > costs $15.60
1 cm > will cost $15.60 ÷ 19.5 cm = $0.80 (this is the unit price)
Ответ:
15 students consume it in = (20×12)÷15
= 16 days