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aksik [14]
3 years ago
6

For his Science project, Timor has 1 pea plant and 3 bean plants. He measures the heights of the plants once a week. This week's

data are shown in the table. Which expression will help him find the average height of the bean plants this week?
A) (10 + 12 + 11 + 20) ÷ 4
B) (12 + 11 + 20) × 3
C) (12 + 11 + 20) – 3
D) (12 + 11 + 20) ÷ 3

Mathematics
2 answers:
pantera1 [17]3 years ago
5 0

Answer:

D.)  (12 + 11 + 20) ÷ 3

Step-by-step explanation:

hodyreva [135]3 years ago
4 0
12+11+24 is 43 and subtract that by 3 which is 40

Answer is C
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Answer:

Catherine's sister ate 2/15 gallons of the ice cream.

\displaystyle \frac{2}{15}.

Step-by-step explanation:

Let x be the amount of ice cream that Catherine's sister ate, in gallons.

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  • What Catherine ate: \displaystyle \frac{1}{5} gallons.
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Consider the relationship:

\text{Original amount - What Catherine ate - What Catherine's Sister ate}\\ =\text{ What's left.}.

That is:

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Add x to both sides of this equation:

\displaystyle 1 - \frac{1}{5} = \frac{2}{3} +x

Substract \displaystyle \frac{2}{3} from both sides:

\displaystyle 1 - \frac{1}{5} - \frac{2}{3} = x.

Convert the denominator of all three numbers on the left-hand side to 3 \times 5 = 15

\displaystyle \frac{15}{15} - \frac{3}{15} - \frac{10}{15} = x.

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