Answer:
2 hrs 13 mins
Step-by-step explanation:
If Richard can paint the living room in 4 hrs, then in 1 hour he can paint 1/4 of the living .
If Vanessa can paint the living room in 5 hours, then in one hour, she can paint 1/5 of the living room.
In one hour Richard and Vanessa can paint 1/4 + 1/5 = 1/y
y is the number of hours it will take both Richard and Vanessa to paint the living room. 1/y is how much of the house they can paint in one hour.
1/4 + 1/5 = 1/y
(5 + 4)/20. ( find the LCM)
9/20 = 1/y
9y= 20
y = 20/9
y = 2.22hrs
y = 2 hrs 13 mins
1/4 mile because if martin is able to walk 1/8 mile in half an hour then what you do is add 1/8+ 1/8 which gets 1/4 mph
Answer:
√6 + √15
Step-by-step explanation:
√3(√2 + √5)=√3√2+√3√5
= √6 + √15
25% of 88 =
0.25 × 88 = 22
88 + 22 = 110
Answer = 110
Hope this helped☺☺
