In 6th grade, the ratio of boys to girls is 4 to 5. if there are 145 girls, how many boys are there?

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

17 in long 1.3 ft wide and 8in high what is the volume