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Liula [17]
3 years ago
9

A stack of thirty cards is placed next to a ruler, and the height of stack is measured to be 3 /4 of an inch. How thick is one c

ard?
Mathematics
1 answer:
ANEK [815]3 years ago
4 0
You need to divide 3/4 inches by 30 cards.

Using the reciprocal rule,

(3/4)/30 = (3/4)*(1/30)

Multiplying fractions,
(3/4)*(1/30) = 3/120 = 1/40 inches.
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