Gabriel wants to send a parcel to Italy.
His parcel is a cuboid with dimensions 10 cm, 20cm and 40 cm.
20 cm
10 cm
40 cm
to scale
He looks at the prices of two companies,
WeDeliver and GoParcels.
Not drawn
WeDeliver
Total cost: Sum, in cm, of the 3 dimensions * £0.80 Find the cost of sending the
parcel with each company.
Give each of your answers
GoParcels
Total cost: Total area, in cm, of all 6 faces * £0.02 in pounds (2).

WeDeliver = 640£

GoParcels=  56£

Step-by-step explanation:

WeDeliver service cost is calculated based on the volume of the package. The parcel is cuboid, so the volume will be:

length * wide * height = 20cm * 10cm  * 40cm= 800cm³

If the cost is £0.80 every, the cost will be: 800 * £0.80/ = 640£

The cost of GoParcels service depends on the area of the parcel. Since the parcel is cuboid, the area of the parcel will be:

2(length * wide) + 2(length * height) + 2(wide * height)=

2(20cm*10cm) + 2(20cm * 40cm) + 2(10cm*40cm)= 2800 cm²

If the cost is  £0.02/cm^3, then the cost will be:

2800cm² *  £0.02/cm² = 56£

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