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lily and briony work together selling computers during the school holidays
briony receives a wage of $20 per hour plus a week plus a commission of 5% of the sales of computers that she sells .lily receives a wage of $15 per hour plus a week plus a commission of 7.5% of the sales of computers that she sells .
1.in the first week of the holidays,both lily and briony work for 15 hour during the holidays and briony earnt 20% more than
lily. use an equation to determine the amount$ of computers that each gril sold .write your answer correct to the nearest cent
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悉尼三月有余 (2005-4-2) 笨笨人 
发表于 2019-4-14 09:10
