To solve for the value of variable "a" in the proportion, we can cross-multiply:
10 * 42 = 15 * a
420 = 15a
Divide both sides of the equation by 15:
420/15 = a
a = 28
Therefore, the solution for the variable "a" in the proportion is a = 28.
solve for the vault of the variable “a” in the proportion
10 a
— = —
15 42
a=24
a=27
a=28
a=32
1 answer