taniyaboo143 taniyaboo143

28-01-2021
Mathematics

contestada

The ratio of grade 7's to grade 8's is 5:3. If there
are a total of 90 grade 8's, how many total
students are there in grade 7 and 8?

Respuesta :

devishri1977 devishri1977

28-01-2021

Answer:

240 students

Step-by-step explanation:

Grade 7 : Grade 8 = 5 : 3

Number of seventh grade students = 5x

Number of Eighth grade students = 3x

3x = 90

x = 90÷3

x = 30

Total students = 5x + 3x = 8x = 8 * 30 = 240

Answer Link

Otras preguntas

Federal subsidies that are only given to dairy farmers who own more than one hundred cows may raise concerns about the ______ of the policy.

Derive the equation of motion of the spring-mass system given below. Please show and MARK your derivation step by step. Missing steps will result in losing poin

Is 1 2/6 equivalent to 1 3/6

Please help ASAP!!!!!!!! How do the 5s in 50.8 and 18.35 compare?The value of the 5 in 50.8 is 1,000 times the value of the 5 in 18.35.The value of the 5 in 50

X + 20 ×2 -30 =82 what is x

A bullet is fired straight up from a gun with amuzzle velocity of 208 m/s.Neglecting air resistance, what will be itsdisplacement after 8.9 s?

Solve this equation g-8=25

Is a producer a octopus?

The client comes to the emergency department with sudden onset of dizziness. The client's hemoglobin and hematocrit suddenly dropped due to an aplastic crisis.

help me please and thankyou