Answer:

Step-by-step explanation:
So, Tanvi started with b buttons.
And she gave away 17.
Since she "gave away," this means that we should use subtraction.
Therefore, she now has b-17 buttons.
Our expression is:

Answer:
The answer would be H for 30
Step-by-step explanation:
20+17c if c is 50 or under and 20+15.80c if c is more than 50
Answer:
$6.73
Step-by-step explanation:
Since it says "answer in coins" she could have 24 quarters, 7 dimes, and 3 pennies.
I believe this correct but im not exactly sure
I hope this helps :)