Using a system of equations, it is found that Gina got 22 questions correct in the test.
<h3>What is a system of equations?</h3>
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the variables are:
- Variable x: Number of questions she got correct.
- Variable y: Number of questions she got wrong.
The test has 30 questions, hence:
x + y = 30 -> y = 30 - x.
She scored 152 points, hence, considering the value of each question:
8x - 3y = 152.
Since y = 30 - x:
8x - 3(30 - x) = 152
11x = 242
x = 242/11
x = 22
Gina got 22 questions correct in the test.
More can be learned about a system of equations at brainly.com/question/24342899
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Answer: 1 < x < 2
Step-by-step explanation:
Answer:.......
Probability = 
Step-by-step explanation:
Let g represent the number of green beads , and o represent the number of orange beads.
due to the fact that Ann is selecting the bead without replacing i randomly
the probability (Pr) of Ann selecting a green bead and then an orange one =
1 pack has 5 seperate packs, each with 10 pieces
=>50 pieces
50*3=150 pieces of gum
No this is not true because 3/5 + 4 equals 4.6 and 3/5 is 0.6
