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2023 AMC 10B Problem 5

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2023 AMC 10B Problem 5AMC 10 Step by Step

Name: Date: September 13, 2026

Linear Equations & Word Problems · difficulty 1 of 5 · about 2 min · position P1-10

Maddy and Lara see a list of numbers written on a blackboard. Maddy adds $3$ to each number in the list and finds that the sum of her new numbers is $45$ . Lara multiplies each number in the list by $3$ and finds that the sum of her new numbers is also $45$ . How many numbers are written on the blackboard?

A)
$10$
B)
$5$
C)
$6$
D)
$8$
E)
$9$

2023 AMC 10B Problem 5

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