18 students scored 80%
22 students scored 70%
((18 × .8) + (22 × .7)) ÷ .4
(14.4 + 15.4) ÷ .4
(29.8) ÷ .4
74.5
The average score of the whole class was 74.5
Answer:
0.0674
Step-by-step explanation:
Answer:
678
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
Do 40+8 first which is 48. then you think "what times four is 48" which is 12. so you need to add something to 2 to make 12. which is 10. A=10 :)
I hope this helps you
6,02 %?= 67,5
602.?= 67,5
?= 67,5÷602
?=0,112