Let x be his score on the last test so that to get an average of 90
His to average score at year end (4 terms), including the last is:
(92 +94 + 98 + x)/4 =90
(92 +94 + 98 + x) =4 x 90
x = - 274 + 360
x= 86
Answer:
The answer is 0.068.
Step-by-step explanation:
0.17 x 0.4 is 0.068
Answer:
Option 3
Step-by-step explanation:
Using the order of operations, you will find out that 7 x 10^3 = 7,000, and 3 x 10^2 = 300. Dividing 7,000 by 300 will get you 23.333~, so 300 does go into 7,000 a little more than 20 times.
Answer:
4.8ft
Step-by-step explanation:
Three ventilation fans, each working alone, can clear the smoke out of a room in 12 hours, 16 hours, and 24 hours respectively. How long would it...
