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Dmitrij [34]
3 years ago
6

Bruce is 4 times as old as Indy. 6 years ago, Bruce was 6 times as old as Indy. how old is bruce now?

Mathematics
1 answer:
goblinko [34]3 years ago
5 0
4i = b
6(i-6) = b-6

6(i-6) = 4i - 6
6i - 36 = 4i - 6
2i - 36 = -6
2i = 30
i = 15 years old
b = 60 years old

Check:
15 * 4 = 60
9 * 6 = 54 :)
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The regular price of an item at a store is p dollars. The item is on sale for 20% off the regular price. Some of the expressions
s344n2d4d5 [400]

Two expressions each represent the sale price of the item are:

Expression B : 0.8p is correct

Expression D: p - 0.2p is correct

<em><u>Solution:</u></em>

The regular price of an item at a store is p dollars

The item is on sale for 20% off the regular price

Therefore,

Regular price = p dollars

Discount = 20 % of regular price

Therefore,

Discount = 20 % of p

discount = 20 \% \times p\\\\discount = \frac{20}{100} \times p = 0.2 \times p\\\\discount = 0.2p

Sale price = Regular price - discount price

Sale price = p - 0.2p

Thus Expression D: p - 0.2p is correct

On solving, sale price = p - 0.2p

Sale price = 0.8p

Thus expression B : 0.8p is correct

3 0
3 years ago
8P + 3q - 18 P=1/2 and Q= 7
Elza [17]
The answer is 7. 8P=4 3q=21. you add those and get 25 then subtract 18 and get 7
4 0
3 years ago
Read 2 more answers
Please help me and I need the work :&lt;​
nasty-shy [4]

Answer:

C

1/4 inch 1 inch

______ = _____

1 foot 4 feet

3 × 4 = 12

4 × 4 = 16

7 0
3 years ago
A rectangle's length is twice its width. if the perimeter is 132 cm, find the width of the rectangle.
Over [174]
Perimeter=(2*length)+(2*width)
length=2*w
132=(2(2w))+(2w)
132=(4w)+(2w)
132=6w
w=22
l=44
8 0
3 years ago
Harry has a small business cleaning kitchens and bathrooms. He usually cleans a bathroom in 1 hour and cleans a kitchen in 45 mi
Bumek [7]

Answer:

8 bathroom jobs and 9 kitchen jobs

Step-by-step explanation:

B=60

K=20

8*60=480

9*20=180

that would give harry 660 dollars in a week. HOWEVER- we have to make sure that its equal to or less than 15 hours of work.

8*1h= 8 hours in bathroom

9*45m=6.75hr in kitchen

8 hours+6.75 hours=14.75hr 14.75 hr<15hr so it works.

4 0
3 years ago
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