Step-by-step explanation:
(a+b) ^2-(x+y)^2
((a+b)-(x+y))((a+b)+(x+y))
=(a+b-x-y)(a+b+x+y)
Answer:Jenny read her book for 25 minutes.
Step-by-step explanation:
Total amount of time that Jenny has before bed time is 1 hour.
Jenny spends 1/3 of the hour texting a friend and 1/4 of the time brushing her teeth and putting on her pajamas. This means that total time that she has already spent is
1/3 + 1/4 = 7/12
If she spends the rest of the time reading her book, then the number of minutes that she spent reading her book would be
1 - 7/12 = 5/12
5/12 × 60 = 25 minutes
The solution set is { y | y < -3 or y > 7}
Graph is attached
Given:
Total tips = $ 77.40
Ratio of tips sharing = 2 : 3 : 4
To find:
How much more does Brian get over Paul
Solution:
Let 2x, 3x and 4x be the cost of tips got by Paul, Colin and Brian.
Total cost of tips =$ 77.40
2x + 3x + 4x = 77.40
9x = 77.40
Divide by 9 on both sides.
x = 8.6
Brian gets = 4(8.6) = $34.4
Paul gets = 2(8.6) = $17.2
Difference = 34.4 - 17.2
= 17.2
Therefore Brian gets $17.2 more than Paul.
Answer: The answer is 16 not 1
