Please help me!?

Question

Solve by using a proportion

1. The ratio of taxis to private automobiles in Times Square at 6:00 P.M. on New Year’s Eve was estimated to be 15 to 2. If there were 60 taxis, then how many private automobiles were there?


2.Water and rice. At Wong’s Chinese Restaurant the secret recipe for white rice calls for a 2 to 1 ratio of water to rice. In one batch the chef used 28 more cups of water than rice. How many cups of each did he use?


3. ) Tracy, Stacy, and Fred assembled a very large puzzle together in 40 hours. If Stacy worked twice as fast as Fred and Tracy worked just as fast as Stacy, then how long would it have taken Fred to assemble the puzzle alone?

4. When bert and Eerie merged their automobile dealerships. Bert had 10 more cars than Ernie. While 36% of Ernies stock consist of new cars, only 25% of Bert's stock consist of new cars. If they had 33 new cars on the lot after the merger, then how many cars did each one have before the merger?

Thank you

Answer 1

This looks like homework problems; If you don't understand proportions you need to review them.

I will only do the first

Taxi:Auto = 15:2; if there are 60 taxies, autos = x and

15/2 = 60/x or x = 2 * 60 /15

see how it is set up and it all falls into place.