Buttons

The shirt has six buttons, and the blouse has four buttons. All buttons are 176. Shirts and blouses are together 36. How many shirts and blouses?

Correct answer:

x =  16
y =  20

Step-by-step explanation:


x+y = 36
6x + 4y = 176

x+y = 36
6·x + 4·y = 176

x+y = 36
6x+4y = 176

Pivot: Row 1 ↔ Row 2
6x+4y = 176
x+y = 36

Row 2 - 1/6 · Row 1 → Row 2
6x+4y = 176
0.33y = 6.67


y = 6.66666667/0.33333333 = 20
x = 176-4y/6 = 176-4 · 20/6 = 16

x = 16
y = 20

Our linear equations calculator calculates it.



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