There should be 30 cars in the parking lot
Answer:
6.75
Step-by-step explanation:
h=hat, s=scarf
5h + 1s = $47 (equation 1)
2h + 2s = $40 (equation 2)
multiply equation 1 by 2 , we get: 10h + 2s = $94 (equation 3)
equation 3 minus equation 2, we get:
8h = $54 ⇒ h = $6.75 ⇔ 1 hat cost $6.75
substitute h = $6.75 into equation 2 to find s,
2($6.75) + 2s = $40
$13.5 + 2s = $40
2s = $26.5
s = $13.25 ⇔ 1 scarf cost $13.25
Answer:
First you have to multiply negative four in parentheses, then add minus two
-4×(-8+3x)=32-12x
2+32-12x=34-12x
34-12x=82
-12x=48
x=-4
Answer:
4/5
Step-by-step explanation:
It's rational because it terminates
3 and 2/5 ÷ 4 and 1/3
The first step before you can divide these is that you must make them improper fractions, they cannot be mixed numbers.
3 = 3/1 = 15/5
15/5 + 2/5 = 17/5
3 and 2/5 = 17/5
4 = 4/1 = 12/3
12/3 + 1/3 = 13/3
4 and 1/3 = 13/3
Now you can divide 17/5 and 13/3.
Step 1- Turn the fraction you are dividing by into its reciprocal.
13/3 reciprocal equals 3/13
Step 2- Multiply.
17/5 • 3/13
17 • 3 = 51
5 • 13 = 65
Answer: 51/65
Step 3- Simplify if possible.
51/65
This is already in simplest form so there is no need to simplify.
So the answer is 51/65.
