exam Maths Puzzle Numerical Ability

Solve following systems of linear inequalities graphically

15x+20y<300
x+y<18



Don't understand this problem at all.

Read Solution (Total 0)

exam Other Question
Write an equation in standard form for the line that has an undefined slope and passes through (-2,8) Please help me again. I just can not get a handle on these word problems.
Thanks so much for the time you give to help everyone.
Bayside insurance offers two health plans. Under