Indicates the magnitude and unit in the following measurements
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Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class