Please help it’s due in 10 minutes

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.