In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent were defective. For the two shipments combined, what percent of the machine parts were defective?
A
6.5%
B
7.0%
C
7.5%
D
8.0%
E
8.5%
Correct answer: C
Explanation
5% of 120 is 6
10% of 80 is 8
As the question says two shipments combined, we have to add the defective as well as total shipments.
Source: Algebra word problems from the AQuA-RAT dataset (Ling et al., 2017), published by Google DeepMind under the Apache License 2.0.
Go to the official source →
AQuA-RAT items are crowdsourced algebra problems, not ACT questions. They carry five answer choices in the pre-2025 ACT Mathematics style and no ACT reporting category. Useful for drilling Preparing for Higher Math content; not a substitute for a real form.
id aqua_rat:36ebc66fa72f8ec3f6a7a03e15bbb015
· JSON