The answer should be -141
Answer:
Rectangular prism
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
We know that all of the ages are 7 apart so we don't need to mess with that.
Since Ed's age is 3/2 times Ted's age, we can make an equation.
Ted = t
Ed = e
e = 3/2t
Now we can just substitute and see if it checks out.
21 = 1.5 * 14
And since they are equal B is the answer.
Answer:
3 cm per hour.
Step-by-step explanation:
180-168= 12, which means 12 cm is gone every 4 hours. To find every hour, we simply do 12 divided by 4, getting 3, which means 3 cm decreases every hour.
So,
This is how I mentally do it.
Convert 1 1/3 miles to decimal form.
1 1/3 --> 1.3333333...
Since that is 1/10 of the desired rate, we simply move the decimal place one place to the right.
1.333333... --> 13.3333333...
Convert to fraction form.
13 1/3 mph
Lauren bikes 13 1/3 miles per hour.
