Tamara has two sisters. one of the sisters is 7 years older than Tamara. The other sister is 3 years younger than Tamara. the pr
oduct of Tamara’s sisters’ ages is 24. How old is tamara?
2 answers:
Answer:
5
Step-by-step explanation:
24=x+(x-3)+(x+7)
Answer:
Tamara is 5 years old.
Step-by-step explanation:
We can find Tamara's age by making expression in term of x. It is given that 1st sister is 7 years older and 2nd sister 3 years younger. So we can start making expressions :
Let x be Tamara's age,
Older sister,
x + 7
Younger sister,
x - 3
Given that the product of Tamara's ages is 24 which means you can multiply both of the sister together :
1st × 3rd = 24
(x+7)(x-3) = 24
x² - 3x + 7x - 21 = 24
x² + 4x - 21 = 24
Now, we have to solve the expression by factorisation :
x² + 4x - 21 = 24
x² + 4x - 45 = 0
(x+9)(x-5) = 0
x = -9(rejected)(age cannot be negative number)
x = 5
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Answer:
210
Step-by-step explanation:
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x + 7.5x = 238
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x = 28
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Answer:
26x-20
Step-by-step explanation:
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Answer:
it is 2
Step-by-step explanation:
Answer:
Option C
Step-by-step explanation:
Option C would map (1,3) to (-1,4).


1 - 2 = -1
3 + 1 = 4
Option C should be the correct answer.