Answer:
6 millimeters
Step-by-step explanation:
The formula for a rectangle is length * height = area.
Since we know the area and height, we can plug it in to the formula:
length * 5.2 = 31.2
So the length is just dividing 5.2 in 31.2 which gives 6 millimeters.
Answer:
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Answer:(15+6)÷3
Step-by-step explanation:
You add 15 and 6 to get the total, the divide by 3 to see how much each person pays.