Answer
Find out the how many hours has Carlos practiced piano .
To prove
As given
Than
L.C.M of (4,10) = 20
Therefore the total hours Carlos practiced piano is 1.45 hours .
145/5 is 29. Is this good?
<span>Let x be the second number.
Let 2x+7 be the first number.
x+2x+7=25
3x+7=25
3x=25-7
3x=18
x=18/3
x=6
2x+7=19
The two numbers are 19 and 6.</span>
Answer=15:39
Step1(find the number of right handed batters)
Left-handed batters=45
5 45
__=___
8 x
Cross multiply
5x=360
divide both sides by 5
x=72
Right-handed batters=72
Step 2 (find the number of total batters)
total batters=45+72=117
Step3 (find the ratio of left handed batters to total batters)
Left-handed batters to total batters= 45/117
45/117 can be shortened to 15/39
Answer=15:39
Step-by-step explanation:
The rate of the motorboat on still water is 1375
The current rate of the motorboat is 2025
