Weekly Assessment No. 7: Write the equation and inequality described in the following problems Use variable x to represent a number
1. A number increased by six is equal to eleven 2. The sum of three consecutive even numbers is one hundred two
3. The average of a number and ninety is seventy
4. Twice a number increased by seven is at most twenty five
5. Thrice a number less than five is at least thirty four.
Answers & Comments
Answer:
1. x+6=11
2. x+(x+2)+(x+4)=202
3. (x+90)/2=70
4. 2x+7<25
5. 3x-5>34