School started at 8:05 a.m. and ended at 2:40 p.m. The work below shows Erica’s calculation of the length of the school day.
Which two errors did Erica make?
1.She subtracted instead of adding the times.
2.She subtracted the end time from the start time.
3.She did not regroup 1 hour for 60 minutes to subtract the minutes.
4.She did not account for a.m. and p.m. in the start and end times.
5.She switched the hours and minutes in both the start and end times.
Erica started her own pizza restaurant. She offers one type of crust, one kind of sauce and 6 different toppings: sausage, pepperoni, mushroom, onions, green peppers and tomatoes. 1. How many different two-topping pizzas can she
At work one day, Erica Franz received 36 packages. Speedy Delivery delivered three times as many as Ralph's Express delivered four more than send quick package service . how many packgeds did each service deliver to Erica
This is part b:can someone help me of I'm doing this right. Mr. Wizard started at zero and jump to left 7 feet. Auntie long legs started at zero and John to right 5 feet. Wright an absolute value statement that shows the distance
Mr. Jones got his car washed at super clean. The wash started at 1:55pm and ended at 2:05pm. It cost $7. Mr. Smith got his car washed at Super Clean for $12. the wash started at 9:30am and ended at 9:50 am. Write an equation for
At work one day, Erica franz received 7 packages. Speedy delivery delivered twice as many as ralph's exoress, while ralph express delivered one more than sandquick package service. how many packages did each serivce deliver to
Suppose a student started with 129mg transcinnamic acid and 0.50ml of 10% bromine solution and after the reaction and workup ended up with 0.216g of brominated product. Calculate the student's theoretical and percent yield. My
Erica's average rate going uphill was 80% of her average rate going downhill over the same route, and it took Erica 10 minutes longer to go up the hill than to go down the hill. What was the total number of minutes Erica spent