Answer:
57
Step-by-step explanation:
fudge it tgyshhvt8 to t up 7
The equation is
8x +7=125
The quickest. easiest way is to round all digits to the nearest tenth:
140 x 20
= 2,800
84 blue marbles.
Steps:
1) Use the 3:7 ratio
2) Since there are 36 red marbles, you should know to multiply the ratio by 12.
3) Multiply 7 by 12 (7x12=84)
