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Elan Coil [88]
2 years ago
10

Catherine is at the Supermarket, and knows that she is 50 yards from her school. The map on her phone shows that the school is \

large \frac{3}{4} inch from her current location. If Catherine's current location is 3 inches from home on the same map, how far is Catherine from her home? a 112.5 yards b 200 yards c 250.5 yards d 150 yards
Mathematics
1 answer:
Lubov Fominskaja [6]2 years ago
4 0

Answer:

<em>Answer: b 200 yards</em>

Step-by-step explanation:

<u>Scaling</u>

Real magnitudes can be scaled up or down to adapt to the size of a sheet of paper or the screen of a computer or phone.

Catherine knows she is 50 yards from the school and it's shown as a distance of 3/4 inch on her phone map.

We can calculate the scaling factor from the real distance to the map distance by dividing:

\displaystyle \frac{50}{\frac{3}{4}}=\frac{200}{3}

Now she sees that she's 3 inches from home on the same map. This is equivalent to a real distance of:

\displaystyle 3\cdot \frac{200}{3}=200

Catherine is 200 yards from her home.

Answer: b 200 yards

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