Answer:
132 and 88
Step-by-step explanation:
If there are 20% more boys than girls, then this means that the total percentage of boys us 60% and girls is 40%.
0.6 * 220 = 132
0.4 * 220 = 88
There are 132 boys and 88 girls in year 9
³/14 cup of Debbie’s
Step-by-step explanation:
⁴/7 of ¾ is;
⁴/7 * ¾ = 12/28
= ³/7
Each friend gets ½ and ½
Therefore ½ of ³/7 is;
½ * ³/7 = ³/14
= ³/14 cup of Debbie’s
Answer:
3/70
Step-by-step explanation:
change 1/10 and 1/7 so the denominator (bottom number) is the same. 1/10= 7/70 and 1/7= 10/70 so you need 3/70 to make the two numbers equal.
Answer:
4(7y - 9)
Step-by-step explanation:
The greatest common factor you can factor out of both monomials is 4.
28y - 36
4(7y - 9)