melaniesehrhardt melaniesehrhardt

28-09-2021
Mathematics

contestada

There are 220 seniors at a certain school. Among all seniors, 45 took calculus, 55 took physics, and 10 took both. How many seniors took neither calculus nor physics?
Please explain.

Respuesta :

Nat20109 Nat20109

28-09-2021

120, the 10 is useless. Add 45+55 (it makes 100) then subtract that from 220.
You’re welcome!

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