B 6 cm
A bun costs x pence and a cake costs 5 pence more than a bun.
Four cakes and three buns together cost £3.21.
a Express the cost of a cake in terms of x.
b Write down an expression for the cost of i 4 cakes ii 3 buns
c Form an equation in x and solve it. How much does one bun cost?

The table shows the distance traveled over time while traveling at a constant speed.

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

Solutions for 2x+7 less than or equal to 3x-5