Kara had a savings account balance of $153 on Monday. On Tuesday, she had six withdraws of $15.72 and a deposit of $235.15. What was her account balance after these transactions?

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

Can someone answer this question? : )

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class