Y varies jointly with p and q. when p = 7 and q = 2, y = 70. find y when p = 8 and q = 4.
http://rodzice.org/
[
5955
] [
5956
] [
5957
] [
5958
] [
5959
] [
5960
] [
5961
] [
5962
] [
5963
] [
5964
]