The Sum of all the siblings ages are 36.
Explanation:
Your sister was half your age(3).
Your brother was twice your age(12).
It says 5 years later...
so then your sister is 8
brother is 17
your 11.
When you add all of these ages up you get the answer 36.
Answer: D
Step-by-step explanation:
Answer:
C. 90√3
Step-by-step explanation:
5√2 . 9√6 = 45√12 = 45×2√3
= 90√3
Answer:
$136.50
Step-by-step explanation:
100 - 12 = 88% (How much percentage of money the student left)
88% = 120.12
1% = 120.12 ÷ 88 = 1.365
Before buying the book, the student had 100%
100% = 1.365 x 100 = 136.50
Total number of balls = 8+2 = 10.
Chance of drawing a blue marble = total number of blue ball in bag
-------------------------------------------------
total number of balls in bag
= 2
-------
10
= 1
---------
5
Hope this helps!
