Denise is the fastest runner. 40 divided by 6 is 6.666 repeating 30 divided by 5 is 6 and 20 divided by 4 is 5 therefore denise is fastest
Answer:
-3
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
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Answer:
Step-by-step explanation:
a + b = 3b
a = 3b - b
a = 2b
a/b = 2/1
a:b = 2:1
Answer:
the number is 3
Step-by-step explanation:
seven times a number is equal to 12 more than 3 times the number
7*n = 12+3*n
7n=12+3n
subtract 3n from each side
7n-3n = 12+3n-3n
4n = 12
divide each side by 4
4n/4 = 12/4
n =3
