4 is the answer because there are only 4 numbers greater than 10.Those are the people who ride bikes ore than 10 times.
Answer: Distributive because 6 has to be multiplied by x and 7
49x^2 = 36
take square roots of both sides:-
7x = +/- 6
x = 6/7, -6/7.
The suit case originally weights 48 kg
.75x = 36x = 33/ .75 = 48
