Question

question
nasim is trying to solve a math problem with a ratio table. see if you can follow his strategy.
enter the missing number in the space below.

tubs of yogurt	1	2	20	21

Explanation:

Step1: Find the ratio of dollars to tubs of yogurt

From the table, for 1 tub of yogurt, it's 9 dollars. So the ratio is $9$ dollars per tub.

Step2: Calculate the cost for 21 tubs

Multiply the number of tubs (21) by the cost per tub (9). So, $21\times9 = 189$.

Answer:

189