Yoko, Abi and Dana had a total of 190 erasers. Yoko gave
17 of her erasers away. Dana gave away 5 times as many erasers as Yoko and Abi gave away 26 erasers. In the end, they had 116 erasers left. How many erasers did Abi and Dana have in total in the end?
|
Yoko |
Abi |
Dana |
Total |
Before |
7 u |
? |
? |
190 |
Change |
- 1 u |
- 26 |
- 5 u |
- 74 |
After |
6 u |
? |
116 |
Number of erasers that Dana gave away
= 5 x 1 u
= 5 u
Number of erasers given away
= 1 u + 26 + 5 u
= 6 u + 26
6 u + 26 = 190 - 116
6 u = 74 - 26
6 u = 48
1 u = 48 ÷ 6 = 8
Number of erasers that Abi and Dana had in the end
= 116 - 6 u
= 116 - 6 x 8
= 116 - 48
= 68
Answer(s): 68