Choose an appropriate answer and fill in the blanks:
7 increased by one-fifth of a number is 12…… 15+7x=12/7+15x=12
Let the number be x.
Therefore, 7 increased by one-fifth of a number is 12 can be expressed as 7+15x=12.
5 times of a number subtracted from 34 is 9……..
[34-5x=9/5x-34=9]
17, 27, 37, 57 are ___ fractions.
[like / unlike]
Fill in the blanks using appropriate fractions:
___+512=712
Determine whether the following numbers are in proportion or not:
13,14,16,17
Solve and choose appropriate answer in simplest form to fill in the blanks:
112+912=___
[1012 / 56]