7 times the sum of a squared and b minus 4 times the sum of a squared and b
1 answer:
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Answer:
Martha earns $65.6 over the weekend.
Step-by-step explanation:
Brownies sold by Martha on Saturday = 60
Cookies sold by Martha on Saturday = 42
Brownies sold by Martha on Sunday = 28
Cookies sold by Martha on Sunday = 54
Total brownies sold by Martha over the weekend =
Total cookies sold by Martha over the weekend =
Cost of a brownie = $0.20
Cost of a cookie = $0.50
Total cost of brownies sold over the weekend =
Total cost of cookies sold over the weekend =
∴ Total money Martha earned over the weekend = (Answer)