Amanda, Sarah and Bethany share the cost of a holiday in the ratio 5 : 4 : 3. Amanda pays £235
a) Work out the total cost of the holiday.
b) Work out how much Bethany pays.

(show all your working out)

Cameron made 1 loaf of bread. his family ate 4/6 of the loaf of bread. how much of the loaf of bread remains? /

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)