The number 400 is increased by 75%. The result is then decreased by 50%. What is the final number?

1 euro = 0.84 sterling. A hotel cost 630 sterling how much will that cost in euro's

Why do you set the equations equal to each other?

Use substitution to solve. x-5y=2 and 9x+8=32y

Kenny ordered guitar strings for Glenn's Guitar Shop. The premium guitar strings are $4.50 apiece. The standard guitar strings are $1.50 apiece. The bill smeared in the rain, but Kenny knows he ordered a total of 80 strings for $225.

Maddy wrote a pattern starting at 3 and following the rule "add 2.". Ted wrote a pattern starting at 0 and following the rule "add 4."

Translate the sentence into an equation. Two less than the product of 5 and a number is equal to 6. Use the variable w for the unknown number.

You fly in a helicopter for 20 minutes that goes at a speed of 240 kilometers per hour how far did you go?

A central angle with a measure of 60 degrees is drawn in a circle with a circumference of 8π. What is the length of the intercepted arc in terms of pi?

Round 38.49 to the nearest whole number

A laboratory technician needs to make a 63-liter batch of a 20% acid solution How can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 10% to get the desired concentration?