(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%.
Multiply £400 to €1.17 and you get £468. Since Euros come in fives, he would receive €465 and have €3 change.
X=8 I’m not that to sure but hope i helped!
Take the 5 in 15 and multiply it by 2. Write it. Then take the 5 and multiply it by 1. Write it. On the next line write a zero and then take the 1 multiplied by 2 and then 1 times 1. Here is an example... it's a little complicated to explain but here...
12
15
----
60
120
-------
180
So sorry I can't explain things well...
Answer:
y=28
Step-by-step explanation: