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zzz [600]
3 years ago
7

Alex skateboards at a constant speed from his house to school 3.8 miles away. It takes him 18 minutes. What fraction represents

his constant speed, C?
Mathematics
1 answer:
Paraphin [41]3 years ago
8 0
Speed is expressed as the ratio of distance/time = d/t

in Alex's case, speed = (3.8 miles / 18 minutes)

. . . or simply

3.8/18
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7/8 = /48 <br> A. 1 <br> B. 6 <br> C. 42 <br> D. 13
Vsevolod [243]
7/8 = x/48

Cross multiply, which is: a/b = c/d ⇒ ad = bc

After cross multiplying, we get:

8x = 7(48)

8x = 336

Divide 8 on both sides

x = 42


Your final answer is B. 42<span>.</span>
6 0
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Step-by-step explanation:

Equation:

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3 years ago
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aleksklad [387]
Why be like this? Hm
8 0
3 years ago
Willie runs 4 miles in 44 minutes. If Willie runs at the same rate, how many miles can he run in 66 minutes?
Aleksandr-060686 [28]

Answer:

6 miles in 66 mins

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3 0
3 years ago
Read 2 more answers
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