A sporting goods store ordered an equal number of white and yellow balls. The tennis ball company delivered 45 extra white balls, making the ratio of white balls to yellow balls 1/5 : 1/6. How many white tennis balls did the store originally order for?

a) 450

b) 270

c) 225

d)None of these

• (x+45):x=1/5:1/6
  1/6(x+45)=x(1/5)
  5x+225=6x
  x=225
• 12 years agoHelpfull: Yes(17) No(4)
• ans should be 180 because they are want original order and original order is (225-45)=180
  d) is the correct answer
• 12 years agoHelpfull: Yes(12) No(4)
• (x+45)/(x)=(1/5)/(1/6)
  5x+(45*5)=6x
  x=225
• 12 years agoHelpfull: Yes(4) No(3)