86.7k views
1 vote
Help me pls.

these are one of the answers I.d.r.k though.
320
606
400
471
512
424
And it needs to be a full answer because this is very important, pls not just I.d.k what the 3rd one is or i.d.k what the 1st one is or i.d.k what the 2nd one is sorry. It all has to be answered

Help me pls. these are one of the answers I.d.r.k though. 320 606 400 471 512 424 And-example-1

1 Answer

4 votes

Answer:

1. 424

2.471

3.512

Explanation:

1. 10×12+8×10+8×13+8×15

=120+80+104+120

=424

2. 5×24+9×24+9×15+9×15

=120+216+135

=471

3. 24×16+2×24+2×20+2×20

=384+48+40+40

=512

User Andrew Norrie
by
4.9k points
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