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Robin and Emma both buy cupcakes for a bake sale. Between them, they purchase 125 cupcakes for the bake sale. Emma buys 50% more cupcakes then Robin and gets a 20% discount. The total cost of the 125 cupcakes was £137.5. What is the price of one cupcake?

1 ) Identify the information given in the question:Total number of cupcakes bought: 125Number bought by Emma is 50% more than Robin: mathematically we write that was Emma = 1.5 Robin as 50% = 0.5 in decim...

AB
Answered by Annelie B. Maths tutor
2631 Views

Expand and simplify x(x+4)(x-5)

Apply FOIL (First, outside, inside, last): (x + 4)(x - 5) = x2 - 5x + 4x -20 = x2 - x -20 x(x + 4)(x - 5) = x( x2 - x -20 ) = x3 - x2- 20x

JS
Answered by James S. Maths tutor
4124 Views

Explain the primary, secondary and tertiary structure of proteins

The primary structure of a protein is made up of a sequence of amino acids which is coded for by the organisms DNA triplets which are transcribed in the process of protein synthesis, the secondary structu...

Answered by Biology tutor
2389 Views

How are ideas about power presented in Ozymandias by Percy Bysshe Shelley?

The poem reflects on abuse of power, but by dwelling on the transience of mortal existence shows that even powerful dictators must fall. Although the dictator's power seemed 'vast' at the time, he (Ozyman...

SA
Answered by Sophia A. English tutor
16526 Views

Explain why the points (0,8) do not lie on the line y= 4x+9 ? (3 marks)

To see if (0,8) lies on the line y, substitute 0 (the x coordinate) into y = 4x+9 so y=4(0)+9 y=4(0)+9 therefore y= 0+9 = 9since the output (9) is not the same as the respective coordinate (8), (0,8) d...

RL
Answered by Rinaldo L. Maths tutor
2710 Views

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