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haha81
25.11.2021 •
Mathematics
Alan and Pedro eat today at the same Taqueria, but Alan attends every 20 days and Pedro every 38 when will they meet again?
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Ответ:
380 days
Step-by-step explanation:
38 × 1 = 3838 × 6 = 228
38 × 2 = 7638 × 7 = 266
38 × 3 = 11438 × 8 = 304
38 × 4 = 15238 × 9 = 342
38 × 5 = 19038 × 10 = 380
20 × 1 = 2020 × 6 = 120
20 × 2 = 4020 × 7 = 140
20 × 3 = 6020 × 8 = 160
20 × 4 = 8020 × 9 = 180
20 × 5 = 10020 × 10 = 200
20 x 10 = 200 20 x 20 = 400
so 20 x 19 = 380
First common number in both times table is 380
Ответ:
C
Step-by-step explanation:
Simple Random Sample