In this question, it's asking you to find the number when 90 is subtracted by 35%. So, you find 35% of 90 which is 31.5 and you minus it from 90 = 58.5.
> 90 x 35% = 31.5
> 90 - 31.5 = 58.5
4 pupils bc 2*2=4..................................................................................................................................................................................................................................................................
Hmm, one way is this
there's 500 times 0.10 or 50 grams of salt in the water
if we want to make 50 grams=4% of everything, how much water do we need to add
50=4% of all
50=0.04 of all
divide both sides by 0.04
1250=all
so
500+what=1250
minus 500 both sides
what=750
750 grams of water
Answer:
1152
Step-by-step explanation:
4 boys and 4 girls be arranged in a row such that no two boys and no two girls are next to each other.
Two boys and two girls are not next to each other. so one boy and one girl are next to each other in two ways.
BGBGBGBG, GBGBGBGB
4 boys are arranged in 4! ways and 4 girls are arranged in 4! ways
So number of ways = 
Answer:
<em>4</em><em>0</em><em>cm</em><em>.</em>
Step-by-step explanation:
<em>4</em><em>0</em><em>cm</em><em> </em><em>is</em><em> </em><em>t</em><em>he</em><em> </em><em>answer </em><em>.</em>