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Leno4ka [110]
3 years ago
9

The ratio of the number of apples to the number of pears in a basket was 3:5. After 7more apples were added to the basket and 9

pears were removed ,there were an equal number of apples and pears .how many apples and how many pears were originally in the basket
Mathematics
1 answer:
atroni [7]3 years ago
5 0

Answer:

Apples = 24

Pears = 40

Step-by-step explanation:

Let u be the unit of fruit in the basket,

number of apples: 3u +7

number of pears: 5u -9

now to find u, we equate the two equations.

3u+7=5u-9

Now simplify.

5u-3u=7+9

2u=16

u=8

Now we can find the original number of apples and pears by substituting u.

so original number of apples = 3u = 3(8) = 24

and original number of pears = 5u = 5(8) = 40

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Answer:

The rate of change of Paolo Portraits is $15 per photo and the rate of change of clear image studio is $12 per photo. Paolo Portraits charges are higher than the clear image studio.

Step-by-step explanation:

The rate of change represent the change in one variable with respect to another variable. It also known as slope.

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