3) Roberta is planning a trip for people at her Youth Club. Here are the costs for the trip.
Transport
£230
Insurance
£50
Other costs
£30
Entry fee
£14 per person
Roberta charges £18 per ticket for the trip.
She sells 100 tickets.
Is there enough money from the ticket sales for Roberta to pay all the costs for the
trip?
You must show your working.

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Me because some of question i don’t understand