20p
£10 = 1000p
1000/70 = 980p so 14 full cookies. Leaving 20p change
£450
£12,000 full price
Discount = 12,000 * 35/100 = £4,200
So reduced price = £12,000 – £4,200 = £7,800
£7,800 less savings of £7,350 = £450
10 Times
Monday Spaghetti & Apple Pie
Day 1 Tuesday
Day 2 Wednesday Spaghetti
Day 3 Thursday Apple Pie
Day 4 Friday Spaghetti
Day 5 Saturday nothing
Day 6 Sunday Spaghetti & Apple Pie
Every 6th day she eats both. So in the next 60 days, she eats both 10 times
84
120 pupils
2/5ths boys = 48 boys (120/5 * 2)
3/4s of boys write in pencil = 48 * 3/4 = 36
Girls = (120-48)-72
1/3 in pen so 24.
2/3 in pencil so 48
Total in Pencil = 36 + 48 = 84
48cm
Area of rectangle is 128cm²
So use algebra to solve (remember area of rectangle = LxW)
2x * x = 128 (where 2x = length and x = width. Use 2x given length is twice width)
3x=128
2x²=128
x²=64
x=8
So perimeter = (8*4 for the length + 8*2 for the width) = 48cm
2+4+7
Picking up 8 is a good move as it means he can win on the next hand with different numbers rather than just relying on one number
Robin will win the game because on the next move. This is because he can win with more permutations of the remaining cards than Susan. Eg Robin could pick up a 1 or 3 and win the game as an example. Susans options are limited