Answer:
490
Step-by-step explanation:
because the 7 (last digit) is not less than 5, it rounds up to 490
Answer:
12
Step-by-step explanation:
1.3
20 ÷ 15 = 1.3
Answer:
60 %
Step-by-step explanation:
multiply .90 * 150
5x=5-25y => x = 1 - 5y;but, 3x-2y=6 => 3( 1 - 5 y ) - 2y = 6 => 3 - 15y - 2y = 6=>-17y = 3 => y = -3 / 17;x = 1 - 5 * ( -3 / 17 ) => x = 1 + 15 / 17 => x = 32 / 17.
