Answered

1. The sum of two numbers is 64. The larger number is 6 more than the smaller number. What are the two
numbers?
2. Aldrin is 4 years younger than Akira. If the sum of their ages is 30, how old are they now?
3. A 160-cm wire is cut into two pieces. One piece is thrice as long as the other piece. What is the length of
the longer piece?
4. David is thrice as old as his cousin. Next year, their ages will total 50. How old is each now?

Sagot :

EggCrackersviz

Answer in no. 4

Step-by-step explanation:

Let David's cousin age be x

Let David's age be 2x

2(2x+x) = 49

4x+2x = 49

6x = 49

6x/6 = 49/6

x = 8.17

2x = 2(8.17)

David = 16.34 or 16 years old

Cousin = 8.17 or 8 years old

Checking 16.34+8.17 = 24.51

24.51 x 2 = 49.02 or 49