


Solving for the Unknown
In Stock
$34.99
$29.99
Shipping and Returns Policy
- Deliver to United States » Shipping Policy «
- - Shipping Cost: $5.99
- - Handling time: 2-3 business days
- - Transit time: 7-10 business days
- Eligible for » Returns & Refund Policy « within 30 days from the date of delivery
Find similar items here:
what is 20 of 320 Informational
- Ratio and Proportion What is 20 per mille of 320? (Different unit)
- Mathematical Principles Can you show the calculation for 20% of 320?
- Statistical Terminology (Tangent) How can you double-check your calculation of 20% of 320?
- Percentage to Fraction
- Estimation Techniques
- Hundredths and Percentages
- Rate as Percentage
- Reverse Percentage
- Mathematical Strategy If you know 50% of 320, how can you find 20%?
- Applying Percentage to a Different Base (Irrelevant here) Focus back on What is 20% of 320? What is the core mathematical operation?
-
Next Day Delivery by USPS
Find out more
Order by 9pm (excludes Public holidays)
$11.99
-
Express Delivery - 48 Hours
Find out more
Order by 9pm (excludes Public holidays)
$9.99
-
Standard Delivery $6.99 Find out more
Delivered within 3 - 7 days (excludes Public holidays).
-
Store Delivery $6.99 Find out more
Delivered to your chosen store within 3-7 days
Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store -
International Delivery Find out more
International Delivery is available for this product. The cost and delivery time depend on the country.
You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.
You have 28 days to return your order from the date it’s delivered. Exclusions apply.
View our full Returns and Exchanges information.
Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.
No reviews yet. Only logged in customers who have purchased this product may leave a review.