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3 years ago

Ms. Cooper drove 18 miles in 31 hour. What is her speed in miles per hour?

Mathematics

2 answers:

ohaa [14]3 years ago

8 0

1.72
31 Divided by 18 =p

amm18123 years ago

3 0

Use the rule of 3 simple

18 mls ---- 31 h
x mls ----- 1 h
---------------------

x = 1*18/31

x = 18/31

her speed will be 18/31 miles per hour

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2 years ago

£440 is divided between David, Mark & Henry so that David gets twice as much as Mark, and Mark gets three times as much as H

Lesechka [4]

Mark received £ 132

Solution:

Given that £440 is divided between David, Mark & Henry

Let "d" be the share of david

Let "m" be the share of mark

Let "h" be the share of henry

Total amount is 440

Therefore,

share of david + share of mark + share of henry = 440

d + m + h = 440 ------- eqn 1

David gets twice as much as Mark

d = 2m ----- eqn 2

Mark gets three times as much as Henry

m = 3h

$h = \frac{m}{3}$ ------ eqn 3

Substitute eqn 2 and eqn 3 in eqn 1

$2m + m + \frac{m}{3} = 440\\\\\frac{6m + 3m + m}{3} = 440\\\\10m = 1320\\\\m = 132$

Thus Mark received £ 132

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3 years ago

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3 years ago

The orange shape is a dilation of the black shape

grigory [225]

Answer:

1/4

Step-by-step explanation:

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2 years ago

What Is 9/10 divided by 2/5 equal

strojnjashka [21]

9/10 divided by 2/5
Convert the divided sign into multiplication while flipping the fraction 2/5 to 5/2
9/10*5/2
Multiply the numerator by the other numerator while multiplying the denominator by the other denominator.
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Simplify
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3 years ago