A flower shop has a dozen roses and tulips on sale. Roses costs $40 and tulips costs $35. A customer will spend at least $100 but no more than $175 on flowers. Provide At least 2 combinations of flowers the customer can purchase.

Answer: 1). 2 roses and 2 tulips

2). 1 rose and 3 tulips

3). 3 roses and 1 tulip

Explanation: In combining the flowers, the customer considers the amount in hand ensuring he spends at least $100 but not more than $175.

1). He can combine 2 roses and 2 tulips at the cost of ($40x2) + ($35*2) = $80 + $70 = $150

2). He can choose to buy 1 rose and 3 tulips at the cost of $40 + ($35*3) = $40 + $105 = $145

3). A combination of 3 roses and 1 tulip is also possible at a cost of ($40*3) + $35 = $120 + $35 = $155