Price calculations

I am again looking into the best way to buy bark chippings in bulk. Before I get to serious I will try and work out a rough idea of the area I need to cover. Last time I ordered a bulk bag I had a lot left over. I would probably use it all in time but in the meantime it would be in the way.

Online I have found a bulk bag 1000l for £130. The same company are selling 70l bags for £6.84.

1000 ÷ 70 = 14.28
14.28 x 6.84 = 97.68

Am I wrong or would it be cheaper to buy 15 of the smaller bags for £102?

G.

Ps. I haven't looked elsewhere yet. It was just the maths part that puzzled me.

 

Cant argue with your calculations. It wouldn't make sense to put the extra effort in to processing into 70L bags and charge less for them but some things don't make sense

Edit: are both prices including delivery ?

 

Gravelmaster have a bulk bag for £88 delivered, depending on postcode

 

So far, this seems to be the best deal. It would take me a long while to get through all that lot.

G.

 

Today I did some rough measuring just to give me an idea of what I'm looking at.

Site A

Zone 1: 122 x 130
Zone 2: 130 x 55

Site B

280 x 370

Site B is a very rough calculation as I intend to incorporate a mixture of planting area and walk ways.

The calculating bit?

122 + 130 + 280 = 532
×
130 + 55 + 370 = 555

295,260 (cm)

I am thinking of working down to about 3" or 75mm. That might be a bit more than I need but I want to ensure a good walking surface. I also intend to pack it down as tight as it will go.

An online guide suggests this:


Any help would be greatly appreciated.

G.

 

You might like to look at the Madingly Mulch website.
They have several options and the stuff comes in cu/mts.

 

@shiney I did it as you suggested and my latest calculation comes out at

0.95 cu m.

I appreciate the help.

It seems that I would need a bulk bag costing around £80. I am being drawn towards the Wickes deal I highlighted above. It would be far too much but at least it would be in manageable packets that can be stacked neatly out of sight.

G.

 

75mm is 7.5cm, not .75cm.

For those unfamiliar with metric measurements, 75mm = 3 inches, and .75cm = 0.3 inches.

Using that incorrect conversion would lead to lengths being incorrect by a factor of x10, areas by x100 and volumes by1,000 times out.

 

That's Madingley Mulch with an extra E. Their site is Gardening, Landscaping & Building Supplies – Madingley Mulch . Having lived around Cambridge for a while, I can vouch for what they do - decent company, decent products, decent people working there.

 

Calculations with correct answers, but containing counterbalancing errors should always be corrected.