Mario estimated the product of 132.4 × 27.9 in two different ways, as shown below. Using compatible numbers:132.4 × 27.9 ≈ 130 × 30 = 3,900Rounding to the nearst whole number:132.4 × 27.9 ≈ 132 × 28 = 3,696

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.