Study table $170
Book shelf $490
Dining table $70
Sofa set $180

Japheth has a $600 shopping voucher. He wants to buy 2 items. How many diffferent ways can Japheth spend his money?

	Study table	Book shelf	Dining table	Sofa set
Study table	-	$660 x	$240 ✓	$350 ✓
Book shelf	-	-	$560 ✓	$670 x
Dining table	-	-	-	$250 ✓
Sofa set	-	-	-	-

Cost of the study table and the book shelf = 490 + 170 = $660 (Exceed $600)
Cost of the study table and the dining table = 170 + 70 = $240 (Under $600)
Cost of the study table and the sofa set = 170 + 180 = $350 (Under $600)
Cost of the book shelf and the dining table = 490 + 70 = $560 (Under $600) 
Cost of the book shelf and the sofa set = 490 + 180 = $670 (Exceed $600)
Cost of the dining table and the sofa set = 70 + 180 = $250 (Under $600)

Number of ways that Japheth can spend his money: 4

Answer(s): 4