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2 years ago

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Question 8 A water tank initially contained 51 liters of water. It is then drained at a constant rate of 2.5 liters per minute.

How many minutes have passed, m, when the tank contains 42 liters? Round to the nearest tenth.

1 answer:

Annette [7]2 years ago

6 0

Do 51 and 2.5 then when you get that add 42 to your answer

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We have the coordinates
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pshichka [43]

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3 years ago

The manager of a snack bar buys bottled water in packs of 35 and candy bars in packs of 20. Then, she sells the items individual

Lerok [7]

$\Huge\bf{\underline{\red \dag { Aиѕωєя }}} \red \dag$

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So, we wanna know the smallest number that both 35 and 20 will go into.

Find the Least Common Multiple (LCM), but to find the LCM we need to find the prime factorization of each of the following number :-

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$\sf \red {20 = 5(2)(2)$

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$\sf \pink{5(7)(2)(2) = 35(2)(2) = 70(2) = 140}$

This means she needs 140 bottles of water and 140 candybars.

Water is sold in packs of 35, this means that she needs :

$\sf \orange{ \frac{140}{35} = 4\: packs \: of \: water}$

Candy bars are sold in packs of 20, this means she needs :

$\sf \green{ \frac{140}{20} = 7 \: packs \: of \: candy \: bars}$

<u>___________________</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u>

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Serhud [2]

Hello from MrBillDoesMath!

Answer:

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Discussion:

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