The ratio of cats to dogs is 4: 5 if there are 20 dogs how many cats are there

Divide. write in the simplest form. 4 1/6 divided by 10

Can some one me with these questions

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)