Answer:
Step-by-step explanation:
9(9m+3t) = 9 *9m + 9*3t
= 81m + 27t
(96+92+80+91+86+x)= 90
________________
6
(445+x)=90
_____
6
then you multiply 6 on both sides
445+×=540
-445. -445
x= 95
they need a 95 percent to have an average of a 90%.
Answer:
16
Step-by-step explanation:
according to the question
5x-7=8x-55
8x-5x=-7+55
3x=48
x=48/3
x=16
Answer:
It seems you forgot to add the picture.....
If you put it in the comments i will try to solve it...
Stay safe and have a Merry Christmas!!!!!!! :D