x= number of boys in the club because it is unknown.
x + 7= the number total number of girls in the club.
Answer: its A
Step-by-step explanation:i did the test
Answer:
Susanne is 16
Step-by-step explanation:
Let x be Dakota's age
x + 3 = Susanne's age
4(x+3) = Bob's age
Sum of their age is:
x + x + 3 + 4(x + 3) =
Simplify:
x + x + 3 + 4x + 12
6x + 15 = 93
6x = 78
x = 13
Susanne is 3 more than x (13 +3) which is 16
Answer:
Jennifer
4/15 mph
Step-by-step explanation:
First, we find the two speeds in miles per hour.
Victoria:
1 1/5 mile per 1/2 hour = (1 1/5 mile)/(1/2 hour) = 2 2/5 mph = 2.4 mph
Jennifer:
2/3 mile per 1/4 hour = (2/3 mile)/(1/4 hour) = 8/3 mph = 2 2/3 mph
2 2/3 mph > 2 2/5 mph, so Jennifer's speed is greater.
The difference in speeds in mph is:
2 2/3 - 2 2/5 = 2 10/15 - 2 6/15 = 4/15
