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3 years ago

7

A calculator costs $d. A school buys 90 calculators, and gets a $100 discount for bulk purchasing. How much did the school spend

?

1 answer:

erik [133]3 years ago

4 0

Answer:

90d-100

Step-by-step explanation:

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Three times the difference of ten and a number is four.

Paul [167]

Answer:

3 (10-a) = 4 i think

Step-by-step explanation:

7 0

2 years ago

ANSWER THIS TO GET 20 POINTS<br><br> what does a ratio of 2:1 mean

sdas [7]

Answer:

It means 2/1

Step-by-step explanation:

For example if YIU say the ratio girls to boys is 2 to 1 then you are there are 2 girls to 1 boy

7 0

2 years ago

Factor the expression.<br> 20b + 35 =<br> (Factor completely.)

Airida [17]

Answer:

I think it would be 5(4b+7)

Step-by-step explanation:

I divided both terms by 5.

6 0

2 years ago

jaimie ran 3 1/2 on monday.She ran half as far on teusday as she did on monday.How far did jaimie run in all on monday and teusd

Soloha48 [4]

Answer: 5 1/4

Step-by-step explanation:

hope this helps!

4 0

1 year ago

Four times The sum of 7 and w

Ray Of Light [21]

Answer:

28

Step-by-step explanation:

$7+7+7+7 = 14+7+7 = 21+7 = 28$

O sino:

$7*4 = 28$

8 0

3 years ago