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ad-work [718]
3 years ago
8

Last winter Armand had 5/6 of a row of stacked logs. At the end of the winter he had 8/15 of the same row left how much wood did

he burn over the winter
Mathematics
2 answers:
RUDIKE [14]3 years ago
4 0

Answer:

\frac{3}{10}

Step-by-step explanation:

First we have to make the fractions even so there denominator have to be equal. So 15 times 2 gets 30 and 6 times 5 gets 30 too. Now multiply the numerator by the corresponding number of 25/30 and 16/30. Subtract to get 9/30 now simplify to get 3/10.

Ilia_Sergeevich [38]3 years ago
3 0

Answer:

<h3>Armand burnt \frac{3}{10} of wood over the winter.</h3>

Step-by-step explanation:

We know that Armand had in first place \frac{5}{6}.

Then, at the end of the winter, he had \frac{8}{15}.

To know how much wood he burnt, we just have to find the difference between these two quantities

\frac{5}{6}-\frac{8}{15}=\frac{75-48}{90}=\frac{27}{90}=\frac{3}{10}

Therefore, Armand burnt \frac{3}{10} of wood over the winter.

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Mai's mother was 28 when Mai was born. Mai is now 12 years old. In how many years will Mai's mother be twice Mai's Age
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Answer:

4

Step-by-step explanation:

Let x = the number of years

In x years, Mai's mother's age will be: 28 + x

                         and Mai's age will be:  12 + x

Then,                                      28 + x = 2(12 +   x)

Distribute the 2                      28 + x =    24 + 2x

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In four years, Mai's mother will be twice Mai's age.

<em>Check: </em>

28 + 4 = 2(12 + 4)

   32   = 2 ×  16

   32   =   32

6 0
3 years ago
How much would you be willing to rent an additional oven when the order size is 1 dozen cookies
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