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kaheart [24]
3 years ago
14

How to solve 2 1/4 - 1 1/2

Mathematics
2 answers:
mote1985 [20]3 years ago
8 0
First you need to make the 2 1/4 that means ( 2+(1/4) ) -(1+(1/2))= 0.75
lisabon 2012 [21]3 years ago
6 0
First you must make both fractions into improper fractions (9/4-3/2) times 4 by 3 and 9 by 2. then you must subtract 12 from 18 to get you 6. multiply 4 by 2, and you answer is 3/4. please mark me brainlyst.
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4 years ago
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Andreas93 [3]

The time it will take for the block of ice to melt if the temperature is 45 degrees is 3 hours.

The cost to travel 22 miles is 55 dollars.

<h3>How to find how long for the ice to melt?</h3>

let

time it takes for ice to melt = x

air temperature = y

Therefore,

x ∝ 1 / y

x  = k / y

when x = 2.5 hours and y = 54 degrees

Hence,

k = 2.5 × 54

k = 135

The time it will take for the block to melt at 45 degrees = 135 / 45 = 3 hours

<h3>How to find equation that relates the cost to the number of miles?</h3>

It costs $35 for a ride from the city centre to the airport, 14 miles away.

where

c = cost

m = number of miles

Therefore, the equation is as follows:

35 / 14 = 2.5

c = 2.5m

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c = 22(2.5)

c = 55 dollars

learn more on equation here: brainly.com/question/22737982

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