4 x 0.90 = £3.60
£13.50 - £3.60 = £9.90
0.9 + 0.75 = £1.65
£9.90/£1.65 = 6
They bought 6 ice cream cones
Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

Answer:
Step-by-step explanation:
5=h/1.25
h=6.25
(3x - 2) - (3x+ 6)=
3x - 5) + (3x + 6)
3x - 5 + 3x + 6
Combine the 'x'-terms: 3x + 3x = 6x
Combine the numbers: -5 + 6 = 1
The expression is equivalent to . . . . . 6x + 1
Answer:
0.65
Step-by-step explanation: