Hello,
let's assume j the john's age, m the mary's age.
<span>"John is twice as old as mary"==>j=2*m
</span>
<span>"the sum of their ages is 21" ==>j+m=21
==>2*m+m=21
==>3m=21
==>m=7
and j=21-7=14
</span>
Answer:
8 pieces.
Step-by-step explanation:
12 / 1.5
= 24 / 3
= 8.
Answer
D or the fourth one because i took the quiz and got it right
Answer:
Yes it does because 985 is equal to 985.
Answer:
Step-by-step explanation:
The percent of his income does he spend on rent = (425 / 1700) * 100
= 425*100 / 1700
= 425 /17
= 25%
