9. John, Jay and Johnny have 60 marbles. The ratio of John's marbles to Jay's marbles to
Johnny's marbles is 1:2:3. How many marbles has Johnny?
b. 20
d. 60
a. 10
C. 30
Johnny's marbles is 1:2:3. How many marbles has Johnny?
b. 20
d. 60
a. 10
C. 30
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Answer:
10:20:30 wc
Step-by-step explanation:
there are 60 marbles and with the ratio of 1:2:3
1+2+3=6
60/6= 10 10 is the 1st one
for second one simply multiply 10 by 2
10 x 2=20
third is 10 x 3 = 30
soo 1:2:3
is 10:20:30