Math

Lara buys an ice cream maker on-line for $140. However, a service fee of 5% is added to the cost of the machine. What is the final price she pays for themachine?

Find 5% of 140

1%=1.4

1.4×5 =7

$147

Ashleigh cuts her birthday ice cream cake into 12 equal slices. She eats 25% of the cake in whole slices. How many slices of the cake are left?

25 over 100 x 12 = 3, so 12 - 3 = 9 slices left.

1.05 as a fraction

Remove the decimal from 1.05 and put it over 100. 105/100 (simplify)

Liam scored 38 out of 60 in his Maths test, Alice scored 52 out of 70 in her English test. Use percentages to show which student scored the highest mark.

38 over 60 × 100

52 over 70 × 100

Alice has the highest.

Thirty-two per cent of students at Chisholm have a dog. If there are 1700 students at Chisholm, how many would NOT have a dog?

32 over 100 × 1700 = 544

1700-544

At netball, Kelly scored 67 goals from 80 attempts. What is her percentage success, to the nearest whole number?

67 over 80 × 100

=83.75

=84%

In a bake sale of 800 cupcakes, 63% are chocolate cupcakes, 19% are raspberry and white chocolate cupcakes and the remainder are caramel cupcakes.

19 over 100 × 800

=152 raspberry and white chocolate cupcakes