jamald2331 jamald2331

22-01-2021
Mathematics

contestada

You earned 90% on a science quiz. You answered 27 questions correctly. How many questions were on the test?

Respuesta :

etrackstar626 etrackstar626

22-01-2021

Answer:

There were 30 questions on the test.

Step-by-step explanation:

1. Set up your equation: 27/90 = y/100

2. Next you want to cross multiply: 2700 = 90y or 270 = 9y

3. Divide 270 by 9 to find your y: y = 30

There were 30 questions on the test.

Answer Link

Otras preguntas

(a 3 - 2a + 5) - (4a 3 - 5a 2 + a - 2)

at the movie theater child admission is 650 and adult admission is 990 on Thursday 124 tickets were sold for a total sales of 999.80 how many adult tickets were

Ian traced his eraser on graph paper. Then, he slid the eraser up 2 units. He then rotated the eraser 45 ° 45° clockwise. Finally, he traced his eraser again. W

How many different ways could you name IH?

3 1/2 • 4 3/4 please help

are receipts a primary or secondary source?

Are there it Peter words part time 3 hours every day in Sandy works part time 2 hours everyday if both of them get for $4.50 an hour right and in equal ality

Biology question: Would pregnancy count as homeostasis?

explain how environmentalists would use regional scales to study an environmental problem 25 POINTS PLEASE HELP.HURRY

The common name of sodium chloride.