Question

(04.04)marisa painted one-half of her bedroom in three-fourths of an hour. at this rate, how long would it take her the paint the entire room? three-eighths of an hour eight-thirds of an hour four-sixths of an hour six-fourths of an hour

Answer 1

(1/2) / (3/4) = 1/x....1/2 bedroom to 3/4 hr = 1 bedroom to x hrs
cross multiply
1/2x = 3/4
x = 3/4 * 2
x = 6/4 of an hr

Answer 2

The time taken for her to paint the entire room is six-fourths of an hour.

From the information given, since Marisa painted one-half of her bedroom in three-fourths of an hour, the time taken to complete the whole room will be:

0.5/1 = 0.75/x

Cross multiply

0.5x = 0.75

x = 0.75/0.5

x = 1.5 = 6/4

Therefore, the time taken for her to paint the entire room is six-fourths of an hour.

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