no 5 please

MANCOSA: HIGHER CERTIFICATE IN BUSINESS PROJECT 8: JECT 8: BUSINESS MATHEMATICS EIN BUSINESS MANAGEMENT consider the following four suppliers of programmable calculators DUE DATE: 7 DECEMBER 2019 upplier A sells each calculator for $25. upplier B sells each calculator for $30 each discounted at 20% Supplier C sells each calculator for $32 with a buy-three-get-one-free spe Supplier A sells each calculator for $42 with a third off the final price. each cal ulator $25 ch calculator for $32.each disco which supplier offers the best deal? e-free special Solve the following pairs of simultaneous equations: 13 4*+ y=1 -0.25x +0.3y = 0.35 3. Solve the following pair of simultaneous equation graphically. 3x - 2y = 4 x + 0.5y = 24 ................... (2) (16) yus 4. A company analyses its profits for four consecutive years. The profit made profit made in year 2 was $4m more than the profit made in yel stor four consecutive years. The profit made in year I was twice that in year 3. The was $4m more than the profit made in year 3. while the profit made in year 4 was $2m less than the profit made in year 1. If the total profit made in these four years was silm, der in each year. profit made in these four years was $11m, determine the profit made DI H 19) wear protit equation for a company that sells customized furniture is Pix) = a + bx, where is the pro ule number of units sold, and a and b are constants. When 200 units are sold, the profit is so and when 450 units are sold, the profit is $110 000. If the fixed cost is $10000 and the vand unit, determine a and b. 6. Two friends, A and B start a business. A invests $12000 more than B in the business. The partners agree to share the profits in the ratio of their investments. At the end of year, the A's share of the profit is $5000 and B's share is $4000. How much did each partner invest? (6)