rmarabel1
rmarabel1 rmarabel1
  • 10-02-2017
  • Mathematics
contestada

7/a = 28/40 how to do this

Respuesta :

caseyl30 caseyl30
  • 10-02-2017
So first we cross multiply

7/a times 7/40 which equals = 28a and 280

Divided both sides by 28.
28a divided by 28 = A. Then 280 divided = 10

So a = 10
Answer Link

Otras preguntas

The johnsons just moved into their new home and are selecting furniture for the family room
find the value of x will mark brainliest and all tht jazz
I need help I don’t get it please please
A group of birds are called. A) flock. B) herd. C) school D) crowed ​
List the following fractions in order from least to greatest ½ ¾ 3/8 5/8 5/16 7/16 9/16 and 11/16
Between 10 pm and 7:45 am the water level in a swimming pool decreased by 13/16 inch. Assuming the constant rate how much did it drop each hour
how to do this question plz ​
NEED ANSWER ASAP When a solid goes straight to a gas this is know as _____________.
3. Where did the historians who wrote state and national history books get the information for their accounts? from other history books from historical markers
3 1/2 as an equivalent fraction with a denominator equal to 12