mathmatics 7th grade

Question

Bruno's Burgers has a cook to server ratio of 2 to 5.

The total number of cooks is 42.

How many more servers does Bruno's Burgers employ than cooks?

 

Answer 1

c/s = 2/5

42/s =2/5

divide both sides by 2

21/s = 1/5

cross multiply

s= 105 servers

check the answer

42/105 = 2/5

(21)(2)/(21)5) = 2/5