Answer:
Ben is 20 years old.
Step-by-step explanation:
Ben: x + 5
Kelsey: x
x + 5 + x = 3x - 10
2x + 5 = 3x - 10
-1x = -15
x = 15
Kelsey is 15 years old, Ben is 20 years old.
Well one way that you can use multiplication to estimate and solve division problems is that when you are dividing a smaller number or any number into another number for example... 12/324 you can multiply what times 12 equals 324. That or use a calculator if it is aloud I may add. Sometimes it is easier to do it that way then doing out all the horrible long steps making it harder to do.
Answer:
52900
Step-by-step explanation:
Well 2/3 = .66
and
5 1/2 = 5.5
Answer:
1. A: the size of its last meal
B: Giraffe's hunger
2. A: amount of time spent landscaping.
B: Total earnings
C: y=20x.
3. A: the number of staplers he buys.
B: input: number of staplers bought. output: total cost.
C: y=16.99x
D: You multiply 16.99 by 15
4. A: $125
B: input: the number of visits output: total cost