Ms. Turner drove 90 miles in March. She drove 3 times as many miles in March as she did in January. She drove 4 times as many miles in February as she did in January. How many miles did Ms. Turner drive in February?

7.5 miles

Step-by-step explanation:

I think...

In March Ms. Turner drove 90 miles. If she drove 3 times as many miles in March as she did in January, then all we need to do at this point is multiply 3 to 90.

90 × 3 = 270

So Ms. Turner drove 270 miles in January.

Ms. Turner then drove 4 times as many miles in February as she did in January, so we will do the same here.

270 × 4 = 1080

Therefore, Ms. Turner drove 1,080 miles in February.

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the formula of a slope:

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