Aplant rate grows a rate of 4.5 centimeters per week. it is now 12 centimeters tall. suppose that the plant continue to grow at the same rate. in how many weeks will it reach a height of 48 centimeters

step-by-step explanation:

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or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!