Henry had
110 as many marbles as Reggie. Reggie had twice as many marbles as Ethan. If Henry had 160 marbles fewer than Ethan,
- how many marbles did Henry have?
- how many marbles did they have altogether?
(a)
Number of marbles that Henry had = 1 u
Number of marbles that Reggie had = 10 u
Number of marbles that Ethan had = 10 u ÷ 2 = 5 u
Number of marbles that Henry had fewer than Ethan
= 5 u - 1 u
= 4 u
4 u = 160
1 u = 160 ÷ 4 = 40
Number of marbles that Henry had
= 1 u
= 40
(b)
Total number of marbles that they had
= 1 u + 10 u + 5 u
= 16 u
= 16 x 40
= 640
Answer(s): (a) 40; (b) 640
