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blagie [28]
3 years ago
9

Tina practiced piano for 15 hours last month and 45 hours this month A. Use multiplication to write a statement comparing the ho

urs Tina practice during the two months B. Use addition to write a statement comparing the hours Tina practice during the two months
Mathematics
1 answer:
KonstantinChe [14]3 years ago
4 0

Answer: The answer is (a) 3 × x = y   and   (b) x + x + x = y.

Step-by-step explanation: Let 'x' and 'y' denote the number of hours that Tina practised last month and this month respectively.

Then, according to the given information, we have

x = 15   and   y = 45.

We can write the relation between 'x' and 'y' in two forms as follows -

(a) Multiplication form :   3 × 5 = 15  implies 3 × x = y.

(b) Addition form : 15 +15 +15 = 45  implies x + x + x = y.

Thus, the answers are (3 × x = y) and  (x + x + x = y).


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