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Serjik [45]
3 years ago
15

a materials scientist has 56 pounds of a liquid. she uses most of the liquid to fill 7 beakers. The remaining liquid fill 1/9 of

an 8th beaker. How many ponds of liquid is in one full beaker
Mathematics
1 answer:
adelina 88 [10]3 years ago
7 0

Answer:

7.875 pounds

Step-by-step explanation:

Assuming the beakers are the same size, and each beaker takes in x pounds.

Then for seven beakers we have;

x × 7 = 7x pounds

For the eight beaker;

1/9 ×  x= 1/9x pounds

Therefore;

7x + 1/9x = 56 pounds

63x + x = 56 ×9

64 x = 504

     x = 504/64

         = 7.875 pounds

Therefore; one full beaker takes in 7.875 pounds when full

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An airplane takes 3 hours to travel a distance of 1680 miles with the wind. The return trip was 4 hours against wind. Find the s
nasty-shy [4]

Answer:

Speed of plane in still air: 490  mile/hour

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Step-by-step explanation:

still speed = x        wind speed = w

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5 0
3 years ago
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