A company is forming a committee to discuss future plans. Of those invited to join the committee, 10% are managers, 35% are standard employees, 20% are shareholders, and the remaining 7 individuals are customers. How many more shareholders were invited to join the committee than managers?

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The customers must make up the remaining percentage of the total.

$$\text{Customer percentage}=100-(10+35+20)$$ $$= 100-65$$ $$= 35\%$$

We can find the total number of individuals at the meeting using the values for the customers:

$$0.35(\text{ Total})= 7$$ $$\text{ Total} = 20$$

Shareholders make up 20% of the committee whereas managers make up 10%. Therefore,

$$\text{Difference}=(0.20-0.10)(20)$$ $$= (0.10)(20)$$ $$= \boxed{2}$$