Find each percent increase. round to the nearest percent
2. from 20 students to 30 students
4. from $3.49 to $3.89
6. from 5 miles to 16 miles
find each percent decrease. round to the nearest percent
8. from $80 to $64
10. from 90 points to 45 points
12. from 64 photos to 21 photos

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?