4 years ago

PLZ HELP,, WILL BE MUCH APPRECIATED!

Mathematics

1 answer:

docker41 [41]4 years ago

7 0

Answer:

178cm

Step-by-step explanation:

x=180

y=160

0.4(x+y)+42 =

0.4(180 + 160) +42 =

0.4(340)+42=

136+42=

178cm

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