Convert:

3 1/2 into an improper fraction =

7/2

Step-by-step explanation:

7/2

Step-by-step explanation:

When turning a mixed number into an improper fraction you first multiply the denominator and the whole number together. Then you would add the numerator to the product. The denominator stays the same in the improper fraction and mixed number.

2*3=6

6+1=7

7/2

answer

106 emergencies

step-by-step explanation:

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950