Acoral reef grows 0.13 m every week. how much does it grow in 15 weeks? write your answer in centimeters

First you want to multiple .13 by 15 giving you 1.95 meters

Then you want to times that by 100 since there are 100 centimeters in a meter

giving you 195 centimeters

0.13 multiplied by 15 which is 1.95

Then 1.95 multiplied by 100 which is 195

answer: 60

step-by-step explanation:

1/2a + (2/3×30)   = 50

1/2a + 20 = 50

1/2a = 30

a = 60

your answer would be 12