93.8
step-by-step explanation:
lets say, first number = x
second number = 3x+7
total = 49
(x)+(3x+7)= 49
4x+7 = 49
4x = 42
x = 42/4
x= 10.5
3x+7 = 3(10.5)+7 = 93.8
hope this
t = 3
put t = 3 in this expression :
(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680