Answer:
i cant say since there arent any number lines shown
Step-by-step explanation:
Answer:
I think is 1x+3x=4 and then solve it if you have to
The average can be found by adding them all up and dividing that number by the number of items. If the result have you a number that's more than the largest or less than the lowest, you did it wrong.
(75+70+90+60+50+90+70)/7
= 505/7
=72.14