Answer: 12 miles
Step-by-step explanation: Stright from her house to luke is 5 miles back ti brianna is 4 miles and back home is 3 miles all together 5+4+3=12
here, x = 2
putting the value of x in the equation we get:
6x-7y=-9
or, 6×2- 7×y=-9
or, 12- 7×y= -9
or, 7×y =-21
so, y = -3
Answer:
£27.00
Step-by-step explanation:
3 × £9 = £27 amount Lee gets
Answer:
Length = 11.25 and width = 3.75 inches.
Step-by-step explanation:
You must mean that the length is 3 times its width.
If the the width is x then the length is 3x inches.
Perimeter = 2*length + 2*width.
2(3x) + 2x = 30
6x + 2x = 30
8x = 30
x = 3.75.
3x = 11.25.