Answer:
12
Step-by-step explanation:
2, the digit in the ones place is double 1, the digit in the tens place. 2 + 1 = 3.
Hope this helps!
Answer 5 for kid 12 for adult
Step-by-step explanation:
N= number of books
7.50(n + 0.2)=189
multiply 7.50 by each term in parentheses
(7.50*n) + (7.50*0.2)= 189
7.50n + 1.5= 189
subtract both sides by 1.5
7.50n= 187.50
divide both sides by 7.50
n= 25
ANSWER: She ordered 25 books.
Hope this helps! :)
Answer:
Step-by-step explanation:
2 and 38/45 square yards can be sanded in 3.2 hours.
Step-by-step explanation:
1/2 of an hour is 30 minutes. so 4/9 for every 30 minutes. 1 hour is 8/9. So 3 2/10 would be 3 hours =24/9=2 6/9 and 2/10 would be ( if 5/10 is 30 minutes then 2/10 is 12 minutes.) 8/9 x 1/5 = 8/45. (24 x 5 = 120) 120/45 + 8/45 is 128/45 = 2 38/45
Step-by-step explanation:
Given that,
The volume of gas in a container at a constant temperature varies inversely as the pressure.

We need to find pressure
.
According to question,

Putting all the values
So, the pressure is 4.26 pounds.