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3 years ago

What is the answer to 5(3p+4r)

Mathematics

2 answers:

natta225 [31]3 years ago

5 0

You need the distributive propery so you do 5 times 3p and get 15p and then 5times 4r and get 20r so 15p plus 20r

lilavasa [31]3 years ago

3 0

Answer:

Step-by-step explanation:

$5(3p+4r)\qquad\text{use the distributive property}:\ a(b+c)=ab+ac\\\\=(5)(3p)+(5)(4r)=15p+20r$

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Answer:

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Step-by-step explanation:

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gladu [14]

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3 years ago

Cristiano is saving money to buy a bike that costs $189, He saved $99 so far. He plans on saving $10 each week. In how many week

yuradex [85]

Answer:

Cristiano will have enough money to buy bike in 9 weeks.

Step-by-step explanation:

Given:

Cost of the bike = $189

Money saved = $99

Money saving each week = $10

We need to find the number of weeks will he have money to buy bike.

Solution:

Let the number of weeks be 'x'.

Now we can say that;

Money saved plus money saving each week multiplied by number of weeks is equal to cost of the bike.

framing in equation form we get;

$99+10x=189$

Subtracting both side by 99 using subtraction property of equality we get;

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$\frac{10x}{10}=\frac{90}{10}\\\\x=9\ weeks$

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4 years ago