6. the numbers 350 and 420 as the product of their prime factors and
find the HCF.
7.
The medal Zena won for athletics consists of silver and brass in the ratio
3:5. If the medal has a mass of 200 g, calculate the mass of the silver.
8. A car travels for 2 hours and covers a distance of 240 km. How long
will the car take to cover a distance of 600 km at the same constant
average speed?
Calculate the interest you will receive after one year for an investment
of R6 500 at an interest rate of 8% per year.
10. A trader bought a screwdriver set for R90. He added 20% to the cost
price for profit and expenses. Calculate the amount a customer will pay
for the screwdriver set.
11. Write these numbers in their simplest form:
11.1 16
11.2 V27
9.
3
11.3 o
ceum​