Question

the next set of practice questions is a little more difficult. these questions could have two steps, and they could require subtraction, addition, or both. to make things easier, take one at a time.
set up and solve addition and subtraction problems ii

1. you are working as a hotel clerk. last night, 44 people stayed at the hotel. so far today, 8 guests have checked out and 3 new guests have checked in. how many people are currently staying at the hotel?

a. 36 b. 39 c. 41 d. 44 e. 55

1. you are working as a mechanic. yesterday, you had 26 cars in the shop. today, 9 customers picked up their cars and 5 new customers brought in cars for repairs. how many cars are currently in the shop?

a. 22 b. 23 c. 26 d. 33 e. 34

1. you own a glassware shop. you have 36 vases in the shop. you receive a shipment of 12 vases, but 3 of them are broken. after receiving the shipment, how many unbroken vases do you have in the shop?

a. 12 b. 32 c. 45 d. 56 e. 71

1. you own an electronics store. you have 24 radios for sale in the store. you receive a shipment of 18 radios. after testing them, you find that 6 are malfunctioning and cannot be sold. how many radios do you have in the store that can be sold?

a. 21 b. 28 c. 33 d. 36 e. 39

1. you work in a restaurant. right now, there are 56 customers at tables. a party of 8 customers arrives and is seated. at the same time, a party of 4 customers leaves. how many customers do you have in the restaurant now?

a. 41 b. 46 c. 49 d. 55 e. 60

1. you work in a warehouse. there are currently 182 crates in the warehouse. you receive a shipment of 55 crates. at the same time, a shipment of 70 crates goes out for delivery. how many crates remain in the warehouse at this time?

a. 167 b. 170 c. 174 d. 178 e. 183

Explanation:

Question 1

Step1: Subtract checked - out guests

Start with the initial number of guests (44), subtract the number of guests who checked out (8). So, \(44 - 8=36\).

Step2: Add new guests

Add the number of new guests (3) to the result from Step 1. So, \(36+3 = 39\).

Step1: Subtract picked - up cars

Start with the initial number of cars (26), subtract the number of cars picked up (9). So, \(26 - 9 = 17\).

Step2: Add new cars

Add the number of new cars (5) to the result from Step 1. So, \(17+5=22\)? Wait, no, wait. Wait, initial number of cars is 26. Subtract 9 (picked up) and add 5 (new). So \(26-9 + 5=22\)? Wait, no, \(26-9=17\), \(17 + 5 = 22\)? But let's recalculate. \(26-9=17\), \(17 + 5=22\). Wait, but let's check again. The formula is initial cars - cars picked up+new cars. So \(26-9 + 5=22\).

Step1: Add the shipment

Start with the initial number of vases (36), add the number of vases in the shipment (12). So, \(36+12 = 48\).

Step2: Subtract broken vases

Subtract the number of broken vases (3) from the result from Step 1. So, \(48-3=45\).

Answer:

B. 39

Question 2