Helps if look at pic

the answer is 90

Step-by-step explanation:

thr brackets mean multiply, so that means you have to multiply 18 by 5 which is equals to 90

hope it helped :)

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.