Answer:
<em>The cost of 10 cm and 70 cm are £0.55 and £3.85 respectively.</em>
Step-by-step explanation:
Material for a dress costs £5.50 per meter.
We know that, <u>1 meter = 100 cm</u>.
Suppose, the cost of 10 cm material is
and the cost of 70 cm material is 
Now, <u>according to the ratio of "cost" to the "length of material"</u> , we will get.......

and

So, the cost of 10 cm material is £0.55 and the cost of 70 cm material is £3.85
The equation y = 0.035x where x is in grams, and y is ounces, then 22 grams would be 0.035 x 22 = 0.77 ounces
She'll need to use 14 , 1/4 cups to make 3 1/2 cups
30 - 5*4 +2 = 12
30 - 20 +2 = 12
10+2 = 12
12 = 12
Answer:
7.5 feet
Step-by-step explanation:
large over small=64/27
r:4/3
4/3=10/h
4h=30
h=30/4
h=7.5 feet