Mathematics, 28.01.2020 12:31 karamalqussiri478
Noelle always leaves a tip of between 10% and 15% for the stylist when she gets her hair done. this can be represented by the system of inequalities shown below, where y is the amount of tip and x is the cost of the hair service. which of the following is a true statement?
y> 0.1x
y< 0.15x
a) when the tip, y, is $10, the cost of the hair service, x, must be between $100 and $150.
b) when the cost of the hair service, x, is $75 the amount of tip, y, must be between $11.25 and $15.
c) when the tip, y, is $15, the cost of the hair service, x, must be between $50 and $75.
d) when the cost of the hair service, x, is $50 the amount of tip, y, must be between $5 and $7.50.
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Noelle always leaves a tip of between 10% and 15% for the stylist when she gets her hair done. this...
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