Answer:
Darnell can read 1,715 words in 7 minutes
Step by step Explanation:
1. I need to find out how many words he reads in 1 minute. Divide 735 by 3, my answer is 245
245
______
3)735
6 bring down the 3 to make 13
-_____
1 3
12 bring down the 5 to make 15
-______
1 5
15
___________
0
2. multiply 735 by 2 cause he reads 735 words in 3 minutes and we are tryna find out how many words he reads in 7 minutes. 3×2=6, so 735+735 (735×2) equals 1470
3. Add 245, for that extra minute that we missed. my answer is 1,715 words in 7 minutes
Calculate volumes
v=lwh
vinitial=6*5*5=150
vnew=6*15*15=1350
new/initial=1350/150=9
9 times
Answer:
x=- 18
Step-by-step explanation:
3x+9= -45
3x=-45-9
3x=-54
x=-54/3
x= -18
Answer: She will earn $352.92 as interest.
Step-by-step explanation:
Formula for compound interest
, where P= principal value, r = rate of interest(in decimal) , t= time
As per given , we have
P = $2,500
r = 4.5% = 0.045
t= 3 years
then, Compound interest =
Hence, she will earn $352.92 as interest.
12(.25)= 3. 12-3= 9 for student tickets
x = adult tickets
y = student tickets
x + y = 55
12x + 9y= 585
-12x - 12y = -660
-3y = -75
3y = 75
y = 25 student tickets
x + 25 = 55
x = 30 adult tickets