Solve these 3 questions 1: 19−4c=17

2: 1.1x+1.2x−5.4=−10

3:The cost C (in dollars) of making n watches is represented by C=15n+85. How many watches are made when the cost is $385?

Abus ride for a senior citizen cost $1.25. a monthly pass costs $35. write and inequality that represents the number of times a senior citizen must ride the bus for the monthly pass to be a better deal.

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Me n o w. i need t h i s. 10 points