Question

Mohon bantuan nomor 19 dan 20

Answer 1

Misal buku = b dan pensil = p

b = 3p

2b + 5p = 5.500
4p = ...?

b = 3p
2b = 6p

2b + 5p = 5.500
6p + 5p = 5.500
11p = 5.500
p = 5.500 / 11
p = 500

4p = 4(500)
= Rp 2.000,-

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Jarak terdekat = √45² + 24²
= √2025 + 576
= √2601
= 51 km