Mathematics, 10.06.2020 20:57, lflugo6oyn4sp

Sofia is knitting a scarf. For every 45 pieces of blue yarn she uses, she uses 18 pieces of red yard. What equation can be used to represent the proportional relationship between the amount of blue yarn, b, and red yard, r, that Sofia uses when knitting a scarf?

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Sofia is knitting a scarf. For every 45 pieces of blue yarn she uses, she uses 18 pieces of red yard...