12 groups in a 1:1 ratio of boys:girls. there are only 12 girls so one in each group + 1 boy per group gives you 12 groups. with a remainder of 6 boys
Answer:
Divide the weight of the book 2.5 lb by the 2.2 lb/kg
Step-by-step explanation:
2.5 ÷ 2.2
8000+500+20+3
numer of 0's at the end is in accordance to the number of numbers behind the number you are writing
Answer: the answer is 100
Step-by-step explanation:
Because 25 times 4 equals 100 use a Calculator
The square of a binomial expands as follows:
Expanding all the binomials, we have
Sum like terms:
Simplify terms appearing on both sides:
Move all terms involving k to the left and all numbers to the right:
Divide both sides by -20: