Respuesta :

Frazzle303

Answer:

7

Step-by-step explanation:

7x3=21

marcthemathtutor

Answer:

7 Jars

Step-by-step explanation:

Given

1 jar --------------> costs $3

We can also express this as:

$3 ---------> can buy 1 Jar   (i.e the unit rate is $3 per jar)

$1 -----------> can buy (1/3) Jar

$21 ---------> can buy (1/3) x 21 = 7 Jars

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