C 63 i guesses dude but can be 50 right or wrong
Answer:
She would save £5
Step-by-step explanation:
→ First work out the cost of items for one student. Work out cost of the photocopying
40 × £0.02 = £0.80
→ Add the cost of the one folder
£0.80 + £0.70 = £1.50
⇒ Now we know £1.50 is the amount of money it costs for one student, we multiply that by 120 because there are 120 pupils
£1.50 × 120 = £180
→ £180 is the total cost and now we minus that from the online price of £175
£180 - £175 = £5
Answer:
$121.82
Step-by-step explanation:
Okay, this is kind of complex, so let's go step by step.
First, we want to find the area of the rectangular lawn - we can do this by multiplying the length and width. The length is 100 and the width is 45 so m² is the area of the rectangle.
However, there are 3 ponds in which the grass seeds will not be going - so we need to find the area of all 3 of these circles and subtract it from 4500 (our rectangle area).
The area of a circle is represented by the formula
The diameters are given here, which is double the radius, so to find the radius of each circle let's divide the diameters by 2.
First circle's radius:
Second circle's radius:
Third circle's radius:
Now let's find the area of each circle.
<em>First Circle</em>:
<em>Second Circle</em>:
<em>Third Circle:</em>
Adding all of these values gets us 412.125.
Now we can subtract from this from 4500 to get us 4087.875
If the grass seeds that cost £1.49 cover 50m² each, then we need bags.
Each bag costs £1.49, so the total cost is
Hope this helped!!
Answer:
Hey]
I got uu
Sorry for late reply
Step-by-step explanation:
It's
Dialiation
Answer:
33⅓ minutes, or 33 minutes 20 seconds
Step-by-step explanation:
Let's say t is time in minutes.
The amount of sand in the top of the first hourglass is 300 − 5t.
The amount of sand in the top of the second hourglass is 200 − 2t.
When they are equal:
300 − 5t = 200 − 2t
100 = 3t
t = 33⅓
It takes 33 minutes and 20 seconds for the amount of san in the top bulbs of the hourglasses to be equal.