Ali and sam have the same amount of money. sam gave ali 15$ then the ratio became 7: 5 how much money did they start with?

Step-by-step explanation:

       Initially Sam and Ali have the same amount. After Sam gives Ali $ 15, the ratio of amounts becomes 7 : 5.

       Let the initial amount with either of Sam and Ali be .

is in dollars.

       After the transaction, Sam has and Ali has .

Now, Ratio of Ali's to Sam's is 7:5

So,

∴ Initially both had $ 90.

step-by-step explanation:

which of the following statements correctly describes the expression below based on its degree and number of terms?

314 - 7x2 + 11

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !