685-85=600
1 year =12 months
12 multiply by 2 =24
600 divided by 24=25
answer=25
Ok so remember
x^n means x times itself n times
example
x^2=x times x
x^4=x times x times x times x
so
a^3
a=7
a^3=a times itself 3 times therefor
a^3=a times a times a
subsitute 7 for a
7^3=7 times 7 times 7
7^3=343
Answer:
25 points
Step-by-step explanation:
2/5 of 2125 =2 ×2125 :5 =4250 :5 =850 points Liam
2125 +850 =2975 points (Liam and Lianna)
3000 - 2975 =25 points they need
