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Solve the problem.
-A college student earned $8400 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 10% and the rest at 8%. If the student received a total of $720 in interest at the end of the year, how much was invested at 10%?
Wound Irrigation
A medical procedure involving the gentle flushing of a wound with a fluid to clean out debris and reduce bacteria.
Syringe
A medical instrument used to inject fluids into the body or withdraw them, consisting of a needle attached to a hollow cylinder.
Pressure Injuries
Wounds that occur on the skin due to prolonged pressure, often affecting individuals with limited mobility.
Quadriplegia
A medical condition resulting in paralysis of all four limbs; typically caused by injury or disease affecting the spinal cord.
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