An advertisement says that 9 out of 10 dentists recommend sugarless gum. If the ad is true, how many of the 60 dentists in our city would recommend sugarless gum? Please help, bc I’m ready to choke to

asked Jul 10, 2019 169k views

5 votes

by Pinu

7.5k points

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4 votes

XD your answer is 54

60/10=6
9*6=54

Mutex answered Jul 13, 2019

by Mutex

6.3k points

4 votes

Hiya!

You can make a proportion

(9)/(10) = (x)/(60)

Cross multiply

60 × 9 = 540

540 ÷ 10 = 54

54 of the dentists would recommend sugarless gum

Shui Shengbao answered Jul 15, 2019

7.0k points

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