Question: What is seven times twenty
Answer: Seven times equals to 140
Answer:
See picture:)
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I didn’t perceive the question well but I think it’s option a)
Answer:
≈5.099
Step-by-step explanation:
1) the rule is:

2) according to the rule above, the required distance is:

d≈5.099
Answer:
7/20
Step-by-step explanation:
You have: 3/5 - 1/4
When you have different denominator:
1) Multiply in cross. The numerator of the first fraction is multiplied by the denominator of the second, and the denominator of the first by the numerator of the second. Both multiplications are subtracted.
3/5 - 1/4 = [(3*4) - (5*1 )] / ...
2) The denominators of the two fractions are multiplied.
3/5 - 1/4 = [(3*4) - (5*1 )]/(5*4
)
3) Resolve operations
= (12-5)/20
= 7/20