Answer:
9 hours
Step-by-step explanation:
10 portraits in 30 hours, let's write it mathematically
10p=30h then 1p=(30/10)h= 3 h three hours for a single portrait
therefore for 3 portraits he will take three times 3 hours
3p=3*3h = 9 hours
Answer:
3.1 = 3.10 because adding zero (0) in decimal number at the right most side doesn't affect the number as the same way adding zero at the left most side of a number doesn't affect the number.
Also, 3 and 1 ones are the same as 3 and 10 tenths.
How many performers were in the circus?
4x + 10= 2x - 6