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bagirrra123 [75]
3 years ago
13

Xavier has x dollars. This morning Alex had twice as much money as Xavier. After Alex spent three dollars on chips, he only had

seven dollars left. How much money does Xavier have?
Mathematics
1 answer:
sweet [91]3 years ago
5 0

Answer:

Xavier has 5 dollars

Step-by-step explanation:

2x represents how much money Alex had, the -3 is how much he spent, and the 7 is how much he has now

2x-3=7

Add 3 to both sides

2x=10

divide both sides by 2

x=5

Checking my work:

2*5-3=7\\10-3=7\\7=7

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Hope this helps :)
7 0
4 years ago
helpppp! The population of a town is 20,000 people in the year 2000. How many people with live in the town in 2016 if the popula
Brut [27]

Answer:

31877 people with live in the town in 2016 if the population increases at a rate of 6% every 2 years

Step-by-step explanation:

The formula used will be

A(t) = P(1+r)^t

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r = rate

t = time

P= 20,000

r =6% or 0.06

t = 16

Since population is increased every 2 years, so t = 16/2 = 8

Putting value:

A(16) = 20,000(1+0.06)^8

A(16)= 20,000(1.06)^8

A(16) = 31876.9 ≈ 31877

So, 31877 people with live in the town in 2016 if the population increases at a rate of 6% every 2 years

5 0
3 years ago
A. If the dog house is 8 inches wide on the scale drawing, how wide is the
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Step-by-step explanation:

6 0
2 years ago
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