Question

elenas little sister is selling cookies and cupcakes to raise money to buy a new book that she wants. she is selling the cookies for $1 each and the cupcakes for $2 each. the book that she wants costs $20. which of the following is a possible combination of cookies and cupcakes that elenas little sister can sell to earn enough money to buy the book? 5 cookies and 5 cupcakes 6 cookies and 8 cupcakes 8 cookies and 4 cupcakes 12 cookies and 3 cupcakes

Explanation:

Step1: Calculate earnings for 1st option

Earnings = $(5 \times 1) + (5 \times 2) = 5 + 10 = 15$

Step2: Calculate earnings for 2nd option

Earnings = $(6 \times 1) + (8 \times 2) = 6 + 16 = 22$

Step3: Calculate earnings for 3rd option

Earnings = $(8 \times 1) + (4 \times 2) = 8 + 8 = 16$

Step4: Calculate earnings for 4th option

Earnings = $(12 \times 1) + (3 \times 2) = 12 + 6 = 18$

Step5: Compare to $20 target

Only the 2nd option meets/exceeds $20.

Answer:

6 cookies and 8 cupcakes