253.a
multiply 2 and 4 (2×4=8)
×+3=8
or,× =8_3
or,× =5
you can do others like this
253.h
multiply -1×2= -2
-3x-4= -2
or,-3x= -2+4
or,-3x=2(+sign is greater)
or, x=2/-3
Ratio of points scored in first game to points scored in second game is 1:6
1+6=7
7 units= 35
1 unit= 5
6-1=5
5 units= 25
Ans: She scored 25 more points in the second game than the first game.
![1 + 2 + 3 + ... + n = \dfrac{n(n + 1)}{2}](https://tex.z-dn.net/?f=%201%20%2B%202%20%2B%203%20%2B%20...%20%2B%20n%20%3D%20%5Cdfrac%7Bn%28n%20%2B%201%29%7D%7B2%7D%20)
7 + 14 + 21 + ... + 105 =
= 7(1 + 2 + 3 + ... + 15)
= 7(15)(16)/2
= 840
258-115=143
Bc Jordan’s family drove 258 miles and ur trying to find the difference between his cousin (115 miles) so you’d subtract the 2 numbers