Problema Solution

At Carpark P, the number of lorries to that of vans was in the ratio of 3:7.At Carpark Q, the number of lorries to that of vans was in the ratio 8:9. when 40% more lorries from an industrial park entered Carpark P, and 20% of the vans at Carpark Q moved to Carpark P, there were 76 fewer lorries at Carpark P than at Carpark Q. How many vehicles were there altoghether at the two carparks finally?

Thank you in advance.

Answer provided by our tutors

The solution is as follows:

Carpark P 

L : V 

3 : 7 

= 15 : 35 

Carpark Q 

L : V 

8 : 9 

= 40 : 45