2/3 * 2 1/5 * 3/4=?
63.69
63.71
64.69
77.31
Answer:
63.69
Step-by-step explanation:
The pairs of numbers that multiply to 90 are (1, 90), (2, 45), (3, 30), (5, 18), (6, 15), and (9, 10).
To find two numbers that multiply to equal 90, we can look for pairs of factors of 90.
The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90.
To determine the pairs of factors that multiply to 90, we can list the pairs:
1 × 90 = 90
2× 45 = 90
3 × 30 = 90
5 × 18 = 90
6 × 15 = 90
9 × 10 = 90
Therefore, the pairs of numbers that multiply to 90 are: (1, 90), (2, 45), (3, 30), (5, 18), (6, 15), and (9, 10).
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