Question

Rob says he can use 2×5 to find 4×5 .is he correct ?explain

Answer 1

Rob can't use 2*5 to find 4*5. He can use 2*5*2, which gives you 20 like 4*5, but 2*5 only equals 10 and 10 isnt equal to 20. Therefore, he cannot use 2*5 to find 4*5.