WA3 - Math

Pattern 𝑃 requires 333 dots. What is the value of 'P'?

State the total number of dots required, in terms of 𝑛, to form the 𝑛th pattern?

Draw the 4th

pattern of the sequence in the above box.

A recipe to bake 20 muffins states that the ratio of flour and milk needs to be 5:3.

If Nancy uses 200ml of flour, calculate how much milk she needs.

A recipe to bake 20 muffins states that the ratio of flour and milk needs to be 5:3.

If baking 20 muffins require 400ml of flour, calculate the amount of milk required if Nancy wants to bake 50 muffins.

Mr Sim changed $3600 Singapore Dollars (S$) into US Dollars (USD) for his trip to New York City. Upon returning, he had 800 USD left. Given that the currency exchange rate is S$1 to 0.71 USD

Mr Sim changed $3600 Singapore Dollars (S$) into US Dollars (USD) for his trip to New York City. Upon returning, he had 800 USD left. Given that the currency exchange rate is S$1 to 0.71 USD.Mr Sim wants to exchange his remaining USD back to Singapore Dollars.

Calculate the amount of Singapore Dollars he will get back. Give your answers to

the nearest Singapore Dollars.

Find the values of a.

Find the values of b.

Find the values of c .