Answer:
pls mark brainliest ......
5/10 and 1/2 are both equivalent ratios resulting in half of themselves you can multiply these by any numbers but they will stay as half ratios such as 1:2 x 6 it would be 6:12 divide it by 6 and you have a half
John has : $8.25
Based on the given conditions formulate :
5 + 2 × x = 21.5
5 + 2x = 21.5
2x = 21.5 - 5
2x = 16.5
Divide both sides by 2