7) Joan earns $12.50 an hour cleaning houses. If she works from 8:00am to 5:00pm, how much money will she make ?
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How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Need showing work for this problem 56.25 ×25.80

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza