Answer:
21
Step-by-step explanation:
You add up the two people until u get the number 259
Compatible numbers<span> are </span>numbers<span> that are close in value to the actual </span>numbers<span>, and which makes it easier to do mental arithmetic.</span>
She could use the following methods:
8 dimes
16 nickles
2 quarter and 3 dimes
2 quarters and 6 nickles
so, 4 combos
One is that they are all <em>real numbers</em>, or <em>rational numbers</em>.