Question

I need help and all of theses question please

1): Serena paid a tax of $288 on a house assessed at $48,000. Using the same tax rate, find the tax on a house assessed at $59,000.

2): at kolbens building 3 out of every 7 employees use public transportation. There are 9,800 employees at the building. How many use public transportation?

3): At the snack bar, 7 hot dogs are sold for every 10 hamburgers sold. At this rate, how many hamburgers will be sold if 63 hot dogs are sold?

4):Jack delivered 90 circulars in 20 minutes. At this rate, how long will it take him to deliver 135 circulars?

5):At the airport, 4 planes land every 8 minutes. At this rate, how many planes will land in one hour?

Answer 1

1) $288/$48,000 = 0.006 or 0.6% tax.
0.6% * $59,000 = $354 tax

2) (3/7)*9800 = 4200 public transportation users

3) (10/7)*63 = 90 hamburgers

4) 135/(90/20) = 60.75 minutes

5) (4/8)*60 = 30 planes