the sum of a number and 2/5 of itself is 56. what is the number?

the sum of a number and 2/5 of itself is 56. what is the number?

unknown values: x

equation: x+(2/5)*x=56

answer: 40

When 60% of a number is added to the number, the result is 192. What is the number?

unknown values: n

equation: 60/100*n + n = 192

answer: 120

Find three consecutive odd integers whose sum is 10 less than 4 times the least integer.

unknown values: 2*k-1,2*k+1,2*k+3

equation: 2*k-1+2*k+1+2*k+3+10=4(2*k-1)

answer: ans_no_result

the sum of three consecutive odd integers is five less than twice the smallest of these integers

unknown values: 2*k-1,2*k+1,2*k+3

equation: (2*k-1)+(2*k+1)+(2*k+3)=2*(2*k-1)-5

answer: -11; -9; -7

Find two consecutive integers whose sum is the square of 7.

unknown values: x,x+1

equation: x+(x+1)=7*7

answer: 24; 25

Find the 2-digit number whose tens digit is 3 less than the units digit and the original number is 6 more than 4 times the sum of the digits.

unknown values: 10*x+y

equation: x+3=y

equation: 10*x+y=6+4*(x+y)

answer: 58

Find two consecutive even integers such that the square of the smaller is 10 more than the larger.

unknown values: x,x+2

equation: x^2-10=x+2

answer: 4; 6

Find four consecutive even integers such that twice the sum of the first and fourth is 124

unknown values: 2*k-2,2*k,2*k+2,2*k+4

equation: 2*((2*k-2)+(2*k+4))=124

answer: 28; 30; 32; 34

What three consecutive integers have a sum of -186?

unknown values: x-1,x,x+1

equation: (x-1)+x+(x+1)=-186

answer: -63; -62; -61

Find three consecutive integers whose sum is -147

unknown values: x-1,x,x+1

equation: (x-1)+x+(x+1)=-147

answer: -50; -49; -48