Posted by **Alexander** on Wednesday, November 7, 2012 at 7:31am.

A car showroom had 10y cars, 20y motorcycles and 18 vans. In a particular month, 4y cars , 3y motorcycles and 15 vans were sold.

a.) Find the total number of wheels on the remaining vehicles in terms of x.

b.) If y=21, how many wheels were there?

An indoor stadium has 25 460 seats. 25% of them are Category A seats. For a concert, Mr Ramly requires 40% of the seats to be Catergory A seats. Find the increase in the number if Category A seats.

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