Answer:
The answer is 31/100
Step-by-step explanation:
Convert the decimal number to a fraction by placing the decimal number over a power of ten. Since there are 2 numbers to the right of the decimal point, place the decimal number over 10
2
(
100
)
. Next, add the whole number to the left of the decimal.
Answer:
6m + 5
Step-by-step explanation:
17m - 2 - 9m + 7 - 2m
8m +5 -2m
6m +5
To find out how much each book cost first we will subract to find out how many 2 books cost. Then we will divide. last but not least we will check our wok. Lets do it:-
30 - 8.95 = <span>21.05
</span><span>21.05 - 7.25 = 13.80
</span>
CHECK OUR WORK:-
13.80 + 7.25 = 21.05
21.05 + 8.95 = 30
We were RIGHT!!!
Now lets divide:-
13.80 ÷ 2 = 6.90
1 book costs $6.90.
CHECK OUR WORK:-
6.90 × 2 = 13.80
We were RIGHT!!!!
So, 1 book costs $6.90.
Hope i helped ya!!
Answer:
Step-by-step explanation:
Density = mass/volume
Mass = 280g, volume = 40cm^3
Density = 280/40
Density = 7g/cubic cm
