If francesca has $500 in her account after 4 years investing at 2.5% compounded annually, how much money did she start with

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Can any one me with the answers to these questions asap?

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250