There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is
5/8
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.

35 red marbles

Step-by-step explanation:

The probability of choosing a red marble is 5/8 which means that the number of red marbles is 5/8 of the total number of marbles in the bag. so to work this out;

=  

= 5 * 7

= 35 red marbles

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

i think the answer is seven, for if i'm being useless °ω°

step-by-step explanation: