The Total Cost of Three Automobile Batteries Is $182

question 212

Multiple Choice

The total cost of three automobile batteries is $182. The most expensive one is five times the cost of the least expensive. The third is $7 more than the least expensive. Find the cost of each battery.

• A) The least expensive battery costs $25, the most expensive battery costs $125, and the third battery costs $32.
• B) The least expensive battery costs $32, the most expensive battery costs $125, and the third battery costs $25.
• C) The least expensive battery costs $27, the most expensive battery costs $121, and the third battery costs $34.
• D) The least expensive battery costs $32, the most expensive battery costs $25, and the third battery costs $125.
• E) The least expensive battery costs $125, the most expensive battery costs $32, and the third battery costs $25.

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Definitions:

Whole blood

denotes blood drawn directly from the body from which none of the components, such as plasma or platelets, have been removed.

Blood clot

A mass formed from platelets and fibrin in the blood to stop bleeding, but can be dangerous when formed inside veins or arteries obstructing blood flow.

Plasma

The fluid component of blood, in which formed elements are suspended; makes up 55% of blood volume.

Formed elements

The solid components of blood, including red blood cells, white blood cells, and platelets, which are crucial for various bodily functions such as oxygen transport and immune response.