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andreev551 [17]
3 years ago
8

If a car travels at a speed of 25 mi/h for t hours, then travels 45 mi/h for m hours. What does the expression 25t + 45m represe

nt
Mathematics
1 answer:
dlinn [17]3 years ago
6 0
The expression of 25t +45m shows the total number of miles driven at both speeds. In order to solve this equation you would need to know the total number of hours driven in order to multiply that by the appropriate speed in terms of miles per hour.
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3 years ago
What percent of 900 is 18
horsena [70]

Fastest method for calculating what percent of 900 is 18

Assume the unknown value is 'Y', and 18 of 900 can be written as:

Y =  

18

900

By multiplying both numerator and denominator by 100 we will get:

Y =  

18

900

x  

100

100

=  

2

100

Y = 2%

Answer: 2 percent of 900 is 18

If you want to use a calculator, simply enter 18÷900x100 and you will get your answer which is 2

7 0
3 years ago
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