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3 years ago

Blueberries are $4.99 a pound. Diego buys b pounds of blueberries and pays $14.95.

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

6 0

Answer: Diego buys about 3 pounds of blueberries, b

Step-by-step explanation: Lets write an equation to solve for b, how many pounds of blueberries he bought.

4.99b=14.95

Solve:

4.99b divided by 4.99 = 14.95 divided by 4.99

b = 3

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3 years ago

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3 years ago

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sineoko [7]

Answer:

Part a) $T(d)=2d+30$

Part b) $T(6)=42\ minutes$

Step-by-step explanation:

Part a) Write an equation for T (d)

Let

d ----> the number of days

T ---> the time in minutes of the treadmill

we know that

The linear equation in slope intercept form is equal to

$T=md+b$

where

m is the slope or unit rate

b is the y-intercept or initial value

In this problem we have

The slope or unit rate is

$m=2\ \frac{minutes}{day}$

The y-intercept or initial value is

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substitute

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3 years ago