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evablogger [386]
3 years ago
9

What is 5(z+4)+5(2-z)

Mathematics
1 answer:
Maru [420]3 years ago
4 0

Answer:

30

Step-by-step explanation:

5(z+4)+5(2-z)    (expand parentheses by distribution)

= z(5) + 4(5) + 2(5) -z(5)

= 5z + 20 + 10 -5z

= 30

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6 0
3 years ago
James works in a sporting goods store and earns $324 a week and 5% of his sales. One week James earned $432. What were his sales
Bogdan [553]

Answer:

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Step-by-step explanation:

First, you have to subtract $324 from the amount he earned that week, to find the 5% he got from sales:

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Now, you know that he received $108 that represent 5% of his sales and you can use a rule of three to find the amount that represents 100% which would be his sales that week:

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100% →      x

x=(100*108)/5=2160

According to this, the answer is that his sales that week were $2,160.

7 0
3 years ago
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Step-by-step explanation:

Hope it helps.

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