Rael had
16 as many buttons as Ivan. Ivan had twice as many buttons as Paul. If Rael had 70 buttons fewer than Paul,
- how many buttons did Rael have?
- how many buttons did they have altogether?
(a)
Number of buttons that Rael had = 1 u
Number of buttons that Ivan had = 6 u
Number of buttons that Paul had = 6 u ÷ 2 = 3 u
Number of buttons that Rael had fewer than Paul
= 3 u - 1 u
= 2 u
2 u = 70
1 u = 70 ÷ 2 = 35
Number of buttons that Rael had
= 1 u
= 35
(b)
Total number of buttons that they had
= 1 u + 6 u + 3 u
= 10 u
= 10 x 35
= 350
Answer(s): (a) 35; (b) 350
