30 tens + 2 ones = 32
Hope I helped :P
Answer:

Step-by-step explanation:
<h2>HOPE IT WILL HELP YOU✌✌✌</h2>
She can make 12 different combinations.
If she used three different colors for the keychain, there's still 4 other colors left.
4 x 3 = 12
Answer:
you are correct it is, 4a+100b
Step-by-step explanation: