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Fudgin [204]
4 years ago
15

On a map, 90 miles is represented by 3 inches.

Mathematics
2 answers:
victus00 [196]4 years ago
8 0

Answer:

15 miles

Step-by-step explanation:

Im not exactly sure how he got 250.. But its 15.

30/30/30 = 90

So half a inch, which is 30 would be 15, So your answer is 15.

jarptica [38.1K]4 years ago
4 0
If the ratio is 90:3 and there are 4 groups of 3 in 12, then the ratio would then be 450:12, leaving you with 450 as the answer. Hope I helped
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6 0
3 years ago
A car traveling at a certain speed will travel 76 feet per second. How many miles will the car travel in 3.1 hours if it maintai
liubo4ka [24]
Keeping in mind that, there are 5280 feet in 1 mile, and 60 minutes in an hour and 60 seconds in each minute, thus 60*60 seconds in an hour, or 3600 seconds.

\bf \cfrac{76~\underline{feet}}{\underline{sec}}\cdot \cfrac{mile}{5280~\underline{feet}}\cdot \cfrac{3600~\underline{sec}}{hr}\implies \cfrac{76\cdot 3600~mile}{5280~hr}
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\textit{how many miles does it do in 3.1hrs?}\quad \cfrac{570}{11}\cdot 3.1
6 0
3 years ago
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