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2 years ago

12

Last year there were 1,435 8th grade students enrolled at your sc hool. This year there are 1,220. What is the percent change in

the number of 8th grade students?

1 answer:

Elanso [62]2 years ago

3 0

1.2% of 8th grade students is the percentage change.

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a ticket office sold 553 tickets one day. the receipts totaled $3936. how many $9 adult tickets and how many $6 child tickets we

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This is the assumption method ;)

Take all tickets to be adult tickets

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3 years ago

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A builder needs to cover 10 square yards of floor with tile. red tile costs $60 per square yard, and white tole costs $40 per sq

dsp73

Answer:40 square yards

Step-by-step explanation:

Given

Floor area A=10 square yards

Red tile costs $\$ 60$ per square yards

White tile costs $\$40$ per square yards

Total money spent= $\$480$ on tiles

Suppose red tiles cover an area of $x$ square yards

So, we can write

$60\times x+40\times (10-x)=480\\60x+400-40x=480\\20x=80\\x=40\ \text{square yards}$

Red tiles cover an area of 40 square yards

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