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Helga [31]
3 years ago
13

Course challenge

Mathematics
1 answer:
Paladinen [302]3 years ago
3 0

Answer:

4x+1

Step-by-step explanation:

sum= addition

one=1

and= plus

product of four and a number: when we say a number we usually use the variable x.    4(x)= 4x

put together: 4x+1 (no equal sign needed)

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Step-by-step explanation:

<em>blue</em><em> </em><em>pens</em><em>=</em><em>720×40%</em>

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