Natalie, Jane and Usha had a total of 184 erasers. Natalie gave
15 of her erasers away. Usha gave away 4 times as many erasers as Natalie and Jane gave away 68 erasers. In the end, they had 106 erasers left. How many erasers did Jane and Usha have in total in the end?
|
Natalie |
Jane |
Usha |
Total |
Before |
5 u |
? |
? |
184 |
Change |
- 1 u |
- 68 |
- 4 u |
- 78 |
After |
4 u |
? |
106 |
Number of erasers that Usha gave away
= 4 x 1 u
= 4 u
Number of erasers given away
= 1 u + 68 + 4 u
= 5 u + 68
5 u + 68 = 184 - 106
5 u = 78 - 68
5 u = 10
1 u = 10 ÷ 5 = 2
Number of erasers that Jane and Usha had in the end
= 106 - 4 u
= 106 - 4 x 2
= 106 - 8
= 98
Answer(s): 98