Say 0.5<x<0.75 and 0.285<y<0.57 then can we say that 0.1425<xy<0.427?

GRE Quant Problem Solving
1

Does anyone have any good article or video recommendation for combining inequalities when signs are in different and same direction?

say 0.5<x<0.75
and 0.285<y<0.57

then can we say that 0.1425<xy<0.427?

2

Yes, but be careful when the numbers are negative

1 Like
3

Could you pls share any good article or video recommendation for combining inequalities when signs are in different and same direction?