as shown in the diagram below, a building cast a 72 foot shadow on the ground when the angle of elevation of the sun is 40 degre
1 answer:
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Let
x--------> the amount you have left to spend
y--------> the cost of a shirt you want
z------> the amount of the gift card
we know that
--------> equation
--------> equation
--------> equation
Substitute the equation and equation
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therefore
<u>the answer is the option</u>
x+15 is less than or equal to 60