Answer:
A Solution is a value we can put in place of a variable (such as x) that makes the equation true.
Step-by-step explanation:
The part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
Answer:I think it is of 80
Step-by-step explanation:
It is 80 because 40 is half of 80 and 50 is half of 100
Round 198 to 200, then do a mental sum for 6x200 (1200) then subtract 6x2(12) which gives you your answer: 1188