Henry, Ivan, Eric and Michael went shopping with a total of $767. After shopping, they had a total of $64 left. Ivan spent $80. The amount Eric spent was ²₇ the amount spent by Henry. The total amount spent by Henry and Ivan was $137 less than the total amount spent by Eric and Michael. How much did Henry and Michael spend altogether?

	Henry	Ivan	Eric	Michael	Total
Before					$767
Change	- 7 u	- $80	- 2 u	- ?	- $703
After					$64

Total amount that Henry, Ivan, Eric and Michael spent
= 767 - 64
= $703

Total amount that Henry and Ivan spent
= 7 u + 80

Total amount that Eric and Michael spent
= 7 u + 80 + 137
= 7 u + 217 

Total amount that Henry, Ivan, Eric and Michael spent
= 7 u + 80 + 7 u + 217
= 14 u + 297 

14 u + 297 = 703
14 u = 703 - 297
14 u = 406 

1 u = 406 ÷ 14 = 29

Total amount that Ivan and Eric spent
= 2 u + 80
= 2 x 29 + 80
= 58 + 80
= $138

Total amount that Henry and Michael spent
= 703 - 138
= $565

Answer(s): $565