The number of pages read varies directly as the number of minutes. if you can read 20 pages and 45 minutes, how many pages can you read in 18 minutes?

The number of pages that you can read in 18 minutes is equal to 8 pages.

Given the following data:

To determine how many pages you can read in 18 minutes, we would apply direct proportion:

By using direct proportion:

20 pages = 45 minutes

X pages = 18 minutes

Cross-multiplying, we have:

X = 8 pages

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8 pages

Step-by-step explanation:

Write and solve an equation of ratios:

20 pages           x

=

45 min          18 min

Cross multiplying, we get (18 min)(20 pages) = (45 min)x.

Then x = (18)(20)/(45) pages = 360/45 pages = 8 pages

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0