Answer:
11.5
Step-by-step explanation:
midrange formula= (high + low)/2
(18 + 5)/2
=23/2
=11.5
All you do is multiply 22 times 8 which is 176 then you multiply 8*4
x 21
----- = -----
110 100
Cross multiplication:
110 x 21 / 100
= 23.1
About 23 of the pencils are blue.
Multiply in order
-8 * -8 = 64
64 * 5 = 320
320 * 5 = 1600
1600 * -8 = -12800
-12800 is your answer