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belka [17]
3 years ago
9

The ratio of the ages (in years) of two teachers is 8 : 9. The sum of their ages is 51. What is the age of each teacher?

Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0

Answer:

Check pdf

Step-by-step explanation:

Download pdf
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Step-by-step explanation:

the volume of this object is the sum of the volume of the 2 blocks.

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the small block is 1×1×2 = 2 ft³

so, in total, he can fit 64+2 = 66 ft³ of plaster into the mold.

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2 years ago
The price of 7 cell phones, 9 TV sets and 12 air-conditioners is
mezya [45]

here, 7 cellphone,9 Tv, 12airconditioners = 8723

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then,

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the price of 4 cellphone , 4 tv set and 6 air conditioners is 4382 #

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3 years ago
What is the better buy? 1.50 for 5 oz 1.20 for 3 oz
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0.08x+0.03 (29000-x)=
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