Answer:
B
Step-by-step explanation:
521,370 would round to 521,400
26,839 would round to 27,800
and adding them would be
548,200
Answer: If you have a positive and a negative, there is one dash left over, and the answer is negative.
The present age of mother and her daughter respectively are; 40 and 10 years respectively.
<h3>How to Solve Algebra Word Problems?</h3>
Let x and y be the present age of mother and her daughter respectively.
Therefore;
x + y = 50
x = 50 − y .....(1)
After 20 years, mother's age will be twice her daughter's age at the time. Thus;
x + 20 = 2(y + 20)
x − 2y = 20 .....(2)
Plugging eq 1 into eq 2 gives us;
50 − y − 2y = 20
3y = 30
y = 10
Thus;
x = 50 − 10
x = 40
Thus, the present age of mother and her daughter is 40 and 10 years respectively.
Translation of the question into English is;
The sum of the present ages of mother and her daughter is 50 years. After 20 years, mother's age will be twice her daughter's age at the time. Find their present ages.
Read more about Algebra Word Problems at; brainly.com/question/21405634
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Answer:
64
Step-by-step explanation:
cus 8 times 4 is 32 and 32 times 2 is 64
Answer:
Not 100% sure but i will say (B)
Step-by-step explanation:
