1.5 x 10^4 = 15,000
9 x 10^3 = 9,000
15,000 - 9,000 = 6,000 <=== or 6 x 10^3
The answer is 210 children tickets were sold . if you multiply the first equation by 7 it would be 7x+7y=2590. then subtract equation 2 from 1 you will have 4x=840 so x=210. Also you can use substitution method.
Answer:
1 11/21
Step-by-step explanation:
In order to convert 32/21 to mixed number, you follow these steps:
Divide the numerator by the denominator
32 ÷ 21 = 1 with a remainder of 11
Write down the whole number 1 and then write down the remainder as new numerator (11) above the denominator (21), As below:
1 11/21
