Two people each have jobs. The first person works 40 hours per week and the second person works 30 hours per week. If the first person worked 30 hours per week and the second person worked 40 hours per week, their combined income would increase by $100 per week. How much more per hour is the second person paid?

the solution of the equation is 2.23 ⇒ answer b

step-by-step explanation:

* lets revise the meaning of exponential function

- the form of the exponential function is y = ab^x, where a ≠ 0, b > 0 ,  

  b ≠ 1, and x is any real number

- it has a constant base b

- it has a variable exponent x

- to solve an exponential equation, take the log or ln of both sides,  

  and solve for the variable

* lets solve the problem

∵

- the base is 7 and the exponent is x

- insert ㏑ in both sides

∴

- use the rule

∴ x ㏑(7) = ㏑(77)

- to find x divide both sides by ㏑(7)

∴

* the solution of the equation is 2.23 to the nearest 2 decimal places

step-by-step explanation:

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i think it would be c

mark brainliest if im right

step-by-step explanation:

6.25 grams

step-by-step explanation: