1 year ago

Hey I need help with please show your work Thank you.

Mathematics

2 answers:

cupoosta [38]1 year ago

6 0

Not my work but I did give you the answer, have a nice day!

nata0808 [166]1 year ago

4 0

Answer:

315

Step-by-step explanation:

→ Substitute the first equation into the second

a + 21a = 330

→ Simplify

22a = 330

→ Solve for a

a = 15

→ Multiply answer by 21

15 × 21 = 315

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