There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is
3
8
.
There are 56 marbles in total in the bag and each is equally likely to be chosen.
Work out how many red marbles there must be.

can you make your screen more see able?

then i might be able to .

faster, im not sure why but i know it is faster

the correct answer is b.

this is because an open circle means < or > & since the line goes left it is < -3.

the next one has a filled circle so it can only be ≥ or ≤ and since the line goes right from 1 it is ≥ 1

hope that

simple 80 pieces in 1 sercing so 80*47=3760+20=3780