Riley and erik have earned a total of 135 tokens to buy items in the school store. the ratio of the number of tokens that riley had to the number of tokens that erik has is 8 to 7. how many tokens does riley have?

Riley has 72 tokens

Step-by-step explanation:

System of Equations

We have two conditions for the tokens Riley and Erik have earned. Let's call x and y to the number of tokens of Riley and Erik respectively. The first condition states that

Solving for y

The second condition is that the ratio of the number of tokens that Riley had to the number of tokens that Erik has is 8 to 7. It's written as

Or equivalently

Replacing y from the first equation

Operating

Simplifying

Riley has 72 tokens

answer is : muchas/tipicas

have a nice day!

~recklesschicken

it would take 5 hours i think idk i'm not that good at math.can you me with my questions i need asap.