3 years ago

Can someone plz help me solved this problem! I really need help ASAP! Will mark you as brainiest!

Mathematics

2 answers:

Ivahew [28]3 years ago

6 0

Answer:

a) k = 3 b) k = 4

Step-by-step explanation:

a) 3 x 7 = 21

b) 4 x 3 = 12

pogonyaev3 years ago

5 0

Answer:

1) k=3 (2) k=4

Step-by-step explanation:

$21=k\cdot \:7\quad \\\mathrm{Switch\:sides}\\k\cdot \:7=21\\\frac{k\cdot \:7}{7}=\frac{21}{7}\\k=3\\2)\\12=k\cdot \:3\\Switch\:sides\\k\cdot \:3=12\\\frac{k\cdot \:3}{3}=\frac{12}{3}\\k=4$

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