My daughter needs help and I don't understand the question ethier.

Mathematics

1 answer:

WINSTONCH [101]4 years ago

3 0

So firstly, let's figure out the expression for a singular goody bag. Since there's 2 of each item, a single goody bag is going to be $(1.07*2+0.85*2+2.12*2)$

Now since we have 7 friends who are all getting 1 goody bag, multiply the cost of the goody bag by 7, and our expression is $7(1.07*2+0.85*2+2.12*2)$ . Now we can solve it from there.

Firstly, solve the multiplication inside the parentheses: $7(2.14+1.7+4.24)$

Now add up what's inside the parentheses: $7(8.08)$

Lastly, multiply and <u>your answer will be $56.56</u>

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Paulo's economics course requires two papers ? ?one long and one short ? ?throughout the semester. The number of pages, l l, in

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Answer:

27 pages.

Step-by-step explanation:

Let l be the number of pages in the long paper and s be the number of pages in the short paper.

We have been given that the total number of pages for both papers is 40. We can represent this information in an equation as:

$l+s=40...(1)$

We are also told that the number of pages in the long paper is one more than two times the number of pages in the short paper. We can represent this information in an equation as:

$l=2s+1...(2)$