phaedra would like to buy a blouse costing $27, which is $3 more than 4 times the amount of money she has saved so far. how much
2 answers:
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Answer: x = 64
<u>Step-by-step explanation:</u>
First, order each of the three right triangles by the lengths of the sides. Each triangle has a small (s) leg, a medium (m) leg, and a hypotenuse (h). You can determine their order visually.
Left Δ: s = 36 m = unknown h = 60
Right Δ: s = unknown m = x h = unknown
Big Δ: s = 60 m = unknown h = 36 + x
Next, notice that you can set up a proportion with the Left and Big triangles using the s and h. <em>We can't use m because it has two unknowns</em>.
Cross multiply and solve for x:
36(36 + x) = 60(60)
1296 + 36x = 3600
36x = 2304
x = 64