mackenziek088 mackenziek088
  • 10-09-2018
  • Mathematics
contestada

Can someone please help me on 20 and 21

Can someone please help me on 20 and 21 class=

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musiclover10045
musiclover10045 musiclover10045
  • 10-09-2018

20. Since PQS = 112, RQS = 112 - 72 = 40

So now we know 10X = 40

Divide both sides by 10: X = 40/10 = 4.


21. 16Y = 135 - 47

16y = 88

y = 88 / 16

y = 5.5

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syahidah
syahidah syahidah
  • 10-09-2018
i hope it can help you hehe
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