£140 is divided between Gavin, Jim & Krutika so that Gavin gets twice as much as Jim, and Jim gets three times as much as Krutika. How much does Gavin get?

7x+8y=-18, 4x-9y=-3 solve the system of equations

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

What’s the answer ? use the picture to see the problem