Answer:
217/31=7. He needs to run 7 miles per day.
Answer:
$1.66
Step-by-step explanation:
First you need to divide $6.74 by 12 then you will get $0.55. Next you need to multiply $0.55 by 3 cans of black beans and you should get $1.66.
Answer:
C
Step-by-step explanation:
The options are:
<em>A. 4 + (-4) = 0
</em>
<em>B. -8 + (-3) = -3 + (-8)
</em>
<em>C. 2 </em>×<em> 1/2 = 1
</em>
<em>D. 8/5 + 0 = 8/5</em>
<em />
The inverse property of multiplication states that the product of a number and its inverse is one.
The inverse of 2 is 1/2. The multiplication of 2 × 1/2 = 1
, as the property states.
Answer:
Number of children = 386
Number of adults = 287
Step-by-step explanation:
Let
x = number of children
y = number of adults
x + y = 673 (1)
1.75x + 2y = 1249.50 (2)
From (1)
x = 673 - y
Substitute x = 673 - y into (2)
1.75x + 2y = 1249.50
1.75(673 - y) + 2y = 1249.50
1177.75 - 1.75y + 2y = 1249.50
- 1.75y + 2y = 1249.50 - 1177.75
0.25y = 71.75
y = 71.75/0.25
y = 287
Substitute y = 287 into (1)
x + y = 673
x + 287 = 673
x = 673 - 287
x = 386
Number of children = 386
Number of adults = 287
Answer:
x = 9
Step-by-step explanation:
-2x + 3 = -15
-2x = -18
x = 9
