Answer:
£7.80
Step-by-step explanation:
Since you multiply 2 by 3 to get 6, we are going to multiply 2.6 by 3
2.6 x 3 = 7.8
Thus the cost of 6 litres of lemonade is £7.80
Answer:
y+4
Step-by-step explanation:
The number is 11
24+11+11+11+11+11=79
Answer:
r = 10.5
Step-by-step explanation:
using the Pythagorean theorem:
(7 + r)² = 14² + r²
49 + 14r + r² = 196 + r²
subtract r² from both sides of the equation:
14r + 49 = 196
subtract 49 from both sides:
14r = 147
divide both sides by 14:
r = 10.5