Help please asap!!! Thx

Herry asked Jan 18, 2023

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9 votes

Herry asked Jan 18, 2023

by Herry

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10 votes

Answer:

Explanation:

# 21.

(8)/(15) ÷ ( - 0.35 ) = -
÷
(35)/(100) = -
÷
(7)/(20) = -
×
(20)/(7) = -
(32)/(21) (B).

# 22.

(
3(1)/(2) -
9(3)/(4) ) ÷ ( - 2.5 )

3(1)/(2) =
3(5)/(10) = 3.5

9(3)/(4) =
9(3*25)/(4*25) =
9(75)/(100) = 9.75

( 3.5 - 9.75 ) ÷ ( - 2.5 ) = ( - 6.25 ) ÷ ( - 2.5 ) = 2.5 (D).

MarkRoland answered Jan 25, 2023

2.5k points

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