Total number of people on boat=30
Half as many children as adults means:
Number of children = 1/2 ( Adults)
Let number of adults= A
Then equation is:
So number of children= 1/2 x 20 =10
Answer: 10 Children
Answer:
x=3 meters
Step-by-step explanation:
step 1
Find the area of the rectangular pool

we have

substitute

step 2
Find the area of rectangular pool including the area of the walkway
Let
x ----> the width of the walkway
we have

substitute

step 3
Find the area of the walkway
To find out the area of the walkway subtract the area of the pool from the area of rectangular pool including the area of the walkway
so

step 4
Find the value of x if the area of the walkway equal the area of the pool
so

Solve for x

Solve the quadratic equation by graphing
The solution is x=3 meters
see the attached figure
Answer:
$10.88 or round up to $11
Step-by-step explanation:
Since 15 is expressed as a percent, you can convert it to a decimal.
.15, which can also be 15/100 if you were to write it as a fraction.
You are trying to find 15% of 72.50 so you would need to multiply your new decimal (.15) to your meal total. This will give you 10.875 or 10.88.
Answer:
2(2x) - 2(9)
Step-by-step explanation:
this equation could've been distributed many different ways but this is the easiest way I can think of to undistribute this problem. I have never heard of undistributeing a problem either so that must be something knew they are teaching kids.
Answer:
Jaden added instead of subtracting 23 and 5
Step-by-step explanation: