Answer: 7
Step by Step explanation:
Answer:
31
Step-by-step explanation:
Increases by 7 each time
Answer:
70
Step-by-step explanation:
28 b y 2 14 times 5
It would be
, or, in simplest form,
.
You get this by adding all the marbles to find the total number of marbles. <em>10+7+12+9</em>, which equals <em>38</em>.
You have <u>10 red marbles out of 38 total</u>, so that is represented by
!